People in industrial countries take in _________as they actually need every day.
| A．twice as much protein | B．protein as much twice |
| C．twice protein as much | D．protein as twice as much |
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 |
—When can I come for the photos? I need them tomorrow afternoon.
—They ________ be ready by 12:00.
| A．can | B．should |
| C．might | D．need |