1.That_________ be our taxi, but I'm not sure.

A. must      B. might C. can     D. should

1.    The man might be ________ to catch a bus.

2.    The radio is too__________ . Will you please turn it down? 

3.    They had fun__________ basketball with us yesterday afternooa 

4.    The bad news made everyone in our class feel 

5.    He sat down in the sofa and fell_____________ soon. 

5.    Youd better take an umbrella. It______________ rain this afternoon.

4.    -―Is this Lan Qiang's boxing glove? 

―Yes, it____________be his. There is his name on the back.

3.    I  saw Tom going  shopping just  now. He  ________  be at home.

2.    Gina ________ come to the party tonight, but Ym not sure.

用must, could, might, can't填空

1.   Whose earrings are these? They _______________  be Mary's. She never wears earrings.

She feels__________ while watching TV.

②Keep quiet. Don't wake up the_____________ baby.

③The teacher was so tired that he fell ________ at  his desk.

Can you hear strange noises outside the room?

—Yeah. I think there ____________ some children____________fun. 

A. might be; have   B. might; having  C. be; having      D. might be; having

①When the teacher came into the classroom, our monitor (班长)spoke in a  loud _____________  "Stand up!"

②Light travels much faster than_____________ .

③We were woken up by the___________ in the night.