— We did not see him at the lecture yesterday．
— You _______ him, since I went to an international conference with him．
| A．mustn’t have seen | B．can’t have seen |
| C．couldn’t see | D．needn’t have seen |
He__________ he would be able to leave tomorrow, but it's beginning to took difficult.
| A．hopes | B．was hoping | C．had hoped | D．hoped |
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—I put him down for a well-educated man.
—___________ ?
—I mean that he's a well-educated man.
| A．I beg your pardon | B．Speak louder, will you |
| C．What's that | D．Will you repeat word for word |
I've visited a lot of different places and stayed in lots of different hotels, but none of them___________ this one.
| A．makes | B．beats | C．compares | D．matches |
—Look at these tracks. It __________ be a wolf.
—It needn't be. It be a fox.
| A．must ; could | B．may ; might |
| C．need ; must | D．could ; need |
Travelers_______________ that they should bring their ID cards with them.
| A．have reminded | B．are reminded |
| C．were reminding | D．had been reminded |