Fill in the gaps with the preposition in or the expressions above in the appropriate form: 1. the portrait was painted oil. 2. yesterday ann was dressed white. 3. he felt at that moment he was love with the whole world. 4. they searched everywhere, but it was vain. 5. his it was too late to publish this article. 6. the doctor advised her not to sit the sun so long. 7. everybody knew that helen was love with bob. 8. he liked to run the open air every spring. 9. she is interested some collections of minerals. 10. they always keep everything secret from the others. 11. he is need of money. can you lend him some? 12. their opinion i am a fool to help you. 13. he tried to lift the heavy log, but it was vain. 14. ann did not know what to do these circumstances. 15. they are interested these problems. 16. he has no interest music. 17. fact we did this work ourselves. 18. they stood the sun too long. the sun was pitiless the heat.

1. The portrait was painted _in__ oil.
2. Yesterday Ann was dressed __in_ white.
3. He felt at that moment he was _in__ love with the whole world.
4. They searched everywhere, but it was __in_ vain.
5. __In_ his opinion it was too late to publish this article.
6. The doctor advised her not to sit __in_ the sun so long.
7. Everybody knew that Helen was __in_ love with Bob.
8. He liked to run __in_ the open air every spring.
9. She is interested __in_ some collections of minerals.
10. They always keep everything __in_ secret from the others.
11. He is __in_ need of money. Can you lend him some?
12. __In_ their opinion I am a fool to help you.
13. He tried to lift the heavy log, but it was __in_ vain.
14. Ann did not know what to do _in__ these circumstances.
15. They are interested _in__ these problems.
16. He has no interest __in_ music.
17. _In__ fact we did this work ourselves.
18. They stood _in__ the sun too long. The sun was pitiless _in__ the heat.

1. The portrait was painted in oil. (The preposition "in" is used to show the material that the portrait was painted with)
2. Yesterday Ann was dressed in white. (The preposition "in" is used to show the color of the clothing Ann was wearing)
3. He felt at that moment that he was in love with the whole world. (The expression "in love" is used to show a state or feeling of being in love)
4. They searched everywhere, but it was in vain. (The expression "in vain" means without success or without achieving the desired result)
5. His it was too late to publish this article. (This statement seems to be incomplete or incorrect, and it is unclear what the intended answer is)
6. The doctor advised her not to sit in the sun for so long. (The preposition "in" is used to show the location or position of sitting)
7. Everybody knew that Helen was in love with Bob. (The expression "in love" is used to show a state or feeling of being in love)
8. He liked to run in the open air every spring. (The expression "in the open air" means outdoors or outside)
9. She is interested in some collections of minerals. (The preposition "in" is used to show an interest in or attraction to something)
10. They always keep everything secret from the others. (The expression "keep something secret from" means to not reveal or share something with others)
11. He is in need of money. Can you lend him some? (The expression "in need of" means lacking or requiring something)
12. In their opinion, I am a fool to help you. (The preposition "in" is used to show whose opinion is being referred to)
13. He tried to lift the heavy log, but it was in vain. (The expression "in vain" means without success or without achieving the desired result)
14. Ann did not know what to do in these circumstances. (The preposition "in" is used to show the situation or conditions in which something is happening)
15. They are interested in these problems. (The preposition "in" is used to show an interest in or attraction to something)
16. He has no interest in music. (The preposition "in" is used to show a lack of interest in something)
17. In fact, we did this work ourselves. (The expression "in fact" is used to introduce a statement that provides additional information or contradicts a previous statement)
18. They stood in the sun for too long. The sun was pitiless in the heat. (The preposition "in" is used to show the location or position of standing, and the expression "in the heat" means experiencing high temperatures)