Three years ____ a long time for us students.A．areB．beC．isD．have been

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Three years ____ a long time for us students.

A．are

B．be

C．is

D．have been

答案

解析

略

举一反三

The film __________ for ten minutes when we got to the cinema.

A． had already been on	B．had already begun
C．have already been on	D．have already begun

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Not only his parents but also his sister ________ the museum.
A. are going to B. is going to c. are going D. is going

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.The harder you_________,the better progress you_________.

A．will work;will make

B．work;have made

C．work; will make

D．will work; make

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We _________ our breakfast when an old man came to the door.

A．just have had	B．have just had
C．just had	D．had just had

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The question was not as simple as it_________.

A．supposes to

B．supposed to be

C．was supposing to be

D．was supposed to be

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