90 % of the debts _______ so far.A．is paid backB．have been paid offC．has been p

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90 % of the debts _______ so far.

A．is paid back

B．have been paid off

C．has been paid off

D．are paid off

答案

解析

略

举一反三

In order to repay the money they borrowed, 60 % of the farmers _____cash crops.

A．are forced growing	B．is forced growing
C．grows	D．grow

题型：不详难度：| 查看答案

Every evening our eyes tell us the sun sets, while we know that, in fact, the earth ___ us away from it.

A．turns

B．has turned

C．is turning

D．will turn

题型：不详难度：| 查看答案

—I hope you enjoyed yourself at Susan’s birthday party.
—How do you know I went to her party? I remember I you .

A．don’t tell

B．didn’t tell

C．haven’t told

D．hadn’t told

题型：不详难度：| 查看答案

If only I could make the trip with you ! But I stay home and take care of my sick mother.

A．could

B．was going to

C．may

D．have to

题型：不详难度：| 查看答案

Mark, Mrs. White . Would you please drive her to the airport?

A．leaves

B．has left

C．left

D．is leaving

题型：不详难度：| 查看答案