34. It_______be really cold in April in Tongzhou though we usually have warm and sunny days.

29. A big earthquake hit Yushu, Qinghai province in the early morning, and if a little later, many more people _______.

The soccer team has been doing well this season，so they       win the championship．

-- Do you think Allan came by taxi?
-- No. If he had, I don't believe he ______ his bike here.

-- I think we'll give Bob a ring.
-- We ______ . We have been out of touch with him for ages.

28．—You must be tired after the flight. You’d better take a good rest.
—Yes, I _________. Thank you.

20．---I got up at five this morning, I thought it was Friday．
---You _____ so early．It is Sunday today; you don’t have to go to work．

17．---May I surf the Internet tonight?
--- No, you ______．You must do the exercises．

.---You could have asked Mr. Richards for help. He is kind-hearted.
----Yes. But that ____him a whole day.
A would have taken      B. had taken                 C. would take    D. would be taken

. Why _____ the car break down just when I was about to start?
A must                 B can             C may            D need