I have lost one of my gloves. I _____ it somewhere. [ ]A. must drop

题型：同步题难度：来源：

I have lost one of my gloves. I _____ it somewhere.    [     ]
A. must drop
B. must have dropped
C. must be dropping
D. must have been dropped

答案

举一反三

They came here several years ago, and   ____ ever since.     [     ]
A. settled
B. settled down
C. lived in
D. have settled down

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Jonny, I can"t believe how much you have changed! You _____ at least one foot!   [     ]
A. grow
B. grew
C. have grown
D. are growing

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— How are you today?
— Oh, I ____ as ill as I do now for a long time.    [     ]
A. isn"t feeling
B. wasn"t feeling
C. don"t feel
D. haven"t felt

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Great changes____  in the city, and  a  lot offactories____.   [     ]
A. have been taken place;have been set up
B. have taken place; have been set up
C. have taken place; have set up
D. were taken place; were set up

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For many years,  people _____ electriccars. However, making them has been more difficult
thanpredicted.     [     ]
A. had dreamed of
B. have dreamed of
C. dreamed of
D. dream of

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