B. complete the following sentences
1.Today is not sunday, so the pupils can't go camping
-> if ............................................................
2. I got lost because I didn't have a map
->if..........................................................
3.His friends were late, so they missed the train.
->if...........................................................
4. Because I don't know the answer, I can't tell you.
->if............................................................
5. He will come here next week, he will phone you
->if...............................................................
6. She doesn't visit her uncle because she lives very far.
->if........................................................................
7. It rains heavily now, so we can't finish our work.
->if...........................................................................
8. The cup of coffe was too hot for me to drink.
->if.......................................................................
9. My mother cannot give me any advice because she is not here now.
->...................................................................
10. Tomorrow it may be fine, then we'll go boating.
->....................................................................
V. Turn these sentences into passive voice:
1. They speak English in almost every corner of the world.
............................................................................................
2.The students are writing the letters now.
....................................................................
3. She hasn't finished the letter yet.
............................................................
4. No one has signed this cheque yet.
...............................................................
5. They are building a new supermarket in this street.
...............................................................................................
6. The storm har delayed the train for one hour.
...........................................................................
7. They have provided victims with food and clothing
................................................................
8. they spend a lot of money on advertising every year
.......................................................
9. people are using computer in all kinds of work
................................
10. nobody has ever treated me with such kindness
.........................................
11. his parents advised him to study hard for his exams
................................................
12. he didn't invite her to his birthday party
.......................................
13. someone was cleaning the windows when I arrived
.............................................
14. they gave me two hours to make a decision
..........................................
15. they held the 22nd SEA GAMES in viet nam
...............................................
16. they build this church in the nineteenth century
............................
17. an official had given Mr. Pike a driving test
.....................................................
18. the workers were building a college when the came
..........................................
19. the villagers gave us a cordial welcome
........................................................
20. nobody informed the polite that there had been a mistake
................................................................
21. they will hold an international conference in Ha Noi next month
.......................................................................
22. someone will tell you what you have to do whwn you arrive
.............................................
23. someone will give you your tickets as the airport
.......................................................
24. the robber forced the cashier to hand over the money
.................................................................
25. they held the 2nd PARA GAMES in Viet Nam
.............................................................
26. people of this town are talking about her very much
..........................................................................
27. the earthquake has caused considerable damege
.................................................................
28.they haven't moved anything since he left home
....................................................................
29. they were discussing the problem when we came
..........................................................
30. you should keep dangerous chemicals in safe places
......................................................................