—I wonder how long you _____ in Hawaii.—Just for the weekend, then I had to atte

题型：不详难度：来源：

—I wonder how long you _____ in Hawaii.
—Just for the weekend, then I had to attend a conference in Los Angeles.

A．will stay

B．were staying

C．have stayed

D．stayed

答案

解析

略

举一反三

—Do you think we should accept that offer?

—Yes，we should，for we______ such bad luck up till now，and time______ out.

A．have had；is running

B．had；is running

C．have；has been run

D．have had；has been run

题型：不详难度：| 查看答案

—Would you like to join us in playing the game?
—I’m sorry, but my homework ______ by now.

A．hasn’t finished

B．hasn’t been finished

C．isn’t finished

D．won’t be finished

题型：不详难度：| 查看答案

—Tom, you didn’t come to the party last night?
—I ______, but I suddenly remembered I had homework to do.

A．had to

B．didn’t

C．was going to

D．wouldn’t

题型：不详难度：| 查看答案

—Why does the river smell terrible?
—Because large quantities of water__________．

A．have polluted

B．is being polluted

C．has been polluted

D．have been polluted

题型：不详难度：| 查看答案

The cause he had devoted himself to __________a perfect success.

A．proving

B．proved

C．was proved

D．has been proved

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