task 1
1. Tom arrived last week.
2. Did you see Pam last week?
3. I have finished my work.
4. When did you finish your work?
5. George left school three years ago.
6. Where’s Ann? – She’s gone to the cinema.
7. Have you ever been to Britain?
8. The weather was very bad last week.
task 2
1. My friend is a writer. She has written many books.
2. We did not have a holiday last year.
3. Did you see Alan last week?
4. I played tennis yesterday afternoon.
5. What time did you go to bed last night?
6. Have you ever been to the United States?
7. I washed my hair before breakfast last morning.
8. When I was a child, I did not like sport.
9. Kathy loves traveling. She has visited many countries.
10. John works in a bookshop. He has worked there for three years.
task 3
1. Detroit Motown in the past. a) was called
2. Detroit as the first capital city of Michigan, but now Lansing is the capital city of Michigan.
b) was chosen
3. The University of Michigan is one of the best universities in the United States and it in Ann Arbor.
c) is located
4. The results by that scientist.
c) were checked
5. All these questions by the students during the
seminar.
b) were discussed
6. The binary numeration system in various
computers.
c) is used
7. The binary numeration system by Leibnitz.
a) was introduced
Объяснение:
