4 ** Complete the sentences with the information in the box. Use defining relative clauses. family comes from France I took with me on holiday sold really interesting souvenirs was very friendly they could eat Thai food we went on holiday 1 That's the woman whose family comes from France.

1 I read a really interesting book. It was written in the 1990s, but it was still interesting.
Explanation: In this sentence, the verb "read" is in the past simple tense, so we need to change the verb "write" into its past participle form to create the passive voice. The correct sentence should be "It was written in the 1990s, but it was still interesting."

2 At school we watched a film about how the Internet works.
Explanation: In this sentence, the verb "watched" is in the past simple tense, so there is no need to change the verb "show" into its passive form. The correct sentence remains as "We watched a film about how the Internet works."

3 Did we have any homework in history today? I wasn't there. I was at the dentist.
Explanation: In this sentence, the verb "had" is in the past simple tense, so there is no need to change the verb "make" into its passive form. The correct sentence remains as "Did we have any homework in history today? I wasn't there. I was at the dentist."

4 Do you know how chocolate is made?
Explanation: In this sentence, the verb "is made" is in the present simple passive tense. The verb "make" should be changed into its base form to create the passive voice. The correct sentence is "Do you know how chocolate is made?"

5 David says the football World Cup was won by Brazil in 2014. Is that right?
Explanation: In this sentence, the verb "was won" is in the past simple passive tense. The verb "win" should be changed into its base form to create the passive voice. The correct sentence is "David says the football World Cup was won by Brazil in 2014."

1. The politician made some interesting remarks about the new driving test.
Explanation: "Make remarks" means to say something or give an opinion about a certain topic.

2. When the rain started we took shelter under a big tree.
Explanation: "Take shelter" means to find a place where you can be protected from something, in this case, the rain.

3. Helen had a good idea about where we should go for a picnic.
Explanation: There is no need to change the phrase, as "had a good idea" is already a correct expression in this context.

4. The man objected to Dad's comment about his car and did so drive off angrily.
Explanation: "Did so" is used to refer to a previous action or statement. In this case, it means that the man objected to the comment and as a result, he drove off angrily.

5. I tried several times to start the car but with no success.
Explanation: There is no need to change the phrase, as "tried to start" is already a correct expression in this context.

6. I did online research about the history of motoring for the project.
Explanation: "Did research" means to gather information or study a particular topic. Adding "online" specifies that the research was done using the internet.