—Look at the old lady in red. Is that Mrs. Lee? —No, it _______ be her. She has

—Look at the old lady in red. Is that Mrs. Lee? —No, it _______ be her. She has

题型:甘肃省期末题难度:来源:
—Look at the old lady in red. Is that Mrs. Lee?
—No, it _______ be her. She has gone to Canada. [     ]
A. won"t
B. mustn"t
C. can"t
D. shouldn"t
答案
C
举一反三
用括号内所给动词的适当形式填空。1. More trees and flowers should _________ (plant) to make our hometown beautiful.
2. We must do everything we can _________ (keep) waste water from running into rivers.
3. When I was young, my grandfather told me that the sun _________ (rise) in the east.
4. Would you mind _________ (not smoke) in public?
5. John _________ (chat) with his son while his wife was cooking in the kitchen.
题型:甘肃省期末题难度:| 查看答案
—You can go to the classroom and ask Mary for help.
—She _______ be in the classroom. I have just seen her on the playground. [     ]
A. must
B. mustn"t
C. can"t
D. may
题型:月考题难度:| 查看答案
—Listen! Kathy is playing the piano in the next room.
—It ______ not be Kathy. She called me on the way to the post office just now. [     ]
A. can
B. must
C. need
D. shall
题型:河北省模拟题难度:| 查看答案
—Is Lucy knocking at the door?
—No. It ______ be Lucy. She is in Japan now.

[     ]

A. needn"t
B. mustn"t
C. can"t
D. shouldn"t
题型:河北省模拟题难度:| 查看答案
You can only use the dictionaries here. But they _______ out of the reading room. [     ]
A. can take
B. can"t take
C. can be taken
D. can"t be taken
题型:河北省模拟题难度:| 查看答案
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