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Exercise 1: Choose the word or phrase that best completes the sentences.

1. If we start walking, the bus...
A. come
B. came
C. will come
D. will run

2. If we...
A. change
B. will change
C. changed
D. are changing

3. ...go to the party. I'm not sure.
A. might
B. will
C. may to
D. can

4. I think you...
A. would
B. should
C. should to
D. need

5. You should not... alone in that part of the city. Get a taxi.
A. live
B. go
C. walk
D. drive

6. I should not... tonight. I have an exam tomorrow.
A. study
B. hang out

7. I don't know if I'll finish it. I may...
A. not have time
B. be ill
C. review
D. play

8. You should... a jacket. It's quite cold today.
A. wear
B. carry
C. be cold
D. win

9. If you... I'd stop smoking.
A. was
B. were
C. be
D. afraid

10. If they had more money, they... go on holiday.
A. can
B. could
C. may
D. will