In __________ preparation for Shenzhou If, scientists need __________ knowledge of weather changes.
| A．the; the |
| B．a; / |
| C．/; a |
| D．the; a |
. With the government’s aid, those ________ by the earthquake have moved to the new settlements.
| A．affect | B．affecting |
| C．affected | D．were affected |
I didn’t hear the phone. I ________ asleep.
| A．must be | B．must have been |
| C．should be | D．should have been |
It’s nearly seven o’clock. Jack ________ be here at any moment.
| A．must | B．need |
| C．should | D．can |
—There were already five people in the car but they managed to take me as well.
—It ________ a comfortable journey.
| A．can’t be | B．shouldn’t be |
| C．mustn’t have been | D．couldn’t have been |
—I stayed at a hotel while in New York.
—Oh, did you? You ________ with Barbara.
| A．could have stayed | B．could stay |
| C．would stay | D．must have stayed |