.When she came out, Mary looked a bit tired because she _____the house.A．cleaned

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.When she came out, Mary looked a bit tired because she _____the house.

A．cleaned

B．was

C．had cleaned

D．had been cleaning

答案

解析

略

举一反三

..I would have gone fishing yesterday,but it ______all day.

A．had been raining

B．was raining

C．should rain

D．has rained

题型：不详难度：| 查看答案

.----Fined ￥!You know you ________KM an hour,don’t you?
------No officer. I can’t have been.This car doesn’t do .

A．are driving

B．have driven

C．had driven

D．were driving

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. ---- I’ll be able to come to see your performance at : tomorrow evening.
---I’m sorry, by then my performance____ and I___ reporters in the meeting room.

A．will be ended; will meet	B．is to end; will meet
C．will have ended; will be meeting	D．will be ended; am going to meet

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. ------Flight to London_______ until : tomorrow morning.
-----No wonder I hear so many complaints from the passengers.

A．has been delayed

B．delay

C．delayed

D．will be delayed

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.When the American constitution ______into effect in ,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.
A went B. had gone C. has gone D. was going

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