---Is Jack on duty today?
---It ________ be him. It's his turn tomorrow.
| A．mustn't | B．won't | C．can't | D．needn't |
相关试题
All the books aren
’t permitted ______ out of the reading room.
A. to take B to be taken C. taking D. being taken
. --- Did you visit the famous temple?
--- we ___________, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．can’t have visited | D．shouldn’t have visited |
. Several years later，word came______ Napoleon himself was coming to inspect them．
A. that B. which C .when D if
There’s still 5 minutes before the train leave. If we hadn’t taken a taxi, we _______ late.
A will be B. would have been C. have been D would be
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