The man in the office _____ be Mr. Black because he went home just now. [ ]A
题型：同步题难度：来源：
| The man in the office _____ be Mr. Black because he went home just now. |
| [ ] |
A. mustn"t
B. may not
C. can"t
D. needn"t |
答案
| C |
举一反三
—Must I tidy the room now?
—No, you _____. You _____ do it after breakfast. |
| [ ] |
A. mustn"t; can
B. needn"t; may
C. don"t; have to
D. needn"t; must |
—Jane looks so painful, there _____ be something wrong with her.
—Oh, dear! We"d better take her to the nearest hospital at once. |
| [ ] |
A. can
B. should
C. would
D. must |
—Must I finish writing the composition today?
—Yes, you _____. |
[ ] |
A. must
B. can
C. need
D. may |
| The light in the office is off. The teacher _____ be there now. |
| [ ] |
A. may
B. can"t
C. mustn"t
D. must |
—Excuse me. Can I take the summer English course?
—Yes. But the course _____ before it starts. |
| [ ] |
A. can be paid for
B. can pay for
C. must pay for
D. must be paid for |
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