I’m so surprised that such a clever man as he_________be easily taken in.
| A．would | B．should | C．could | D．might |
I hate traveling by air ______ you usually have to wait for hours before the plane takes off.
| A．because | B．though | C．until | D．unless |
Hurry up, or you ______ catch the train.
| A．needn’t | B．mustn’t | C．can’t | D．shouldn’t |
You can improve your English ______ practicing more.
| A．by | B．with | C．of | D．in |
—What’s wrong with you, Eric? You look tired.
—I ______ to prepare for the final exam last night.
| A．picked up | B．woke up | C．stayed up | D．put up |
Tony is not as clever as Lucy, but he works ______ than her.
| A．hard | B．harder | C．hardest | D．the hardest |