Susan decided not to work on the program at home because she didn’t’ want her pa

题型：不详难度：来源：

Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________.

A．has done

B．had done

C．was doing

D．is doing

答案

解析

考查动词的时态。因为主语的工作当时尚未完成，又处于过去的时间背景当中，所以采用过去进行时态。

举一反三

According to the art dealer, the painting ______ to go for at least a million dollars.

A．is expected

B．expects

C．expected

D．is expecting

题型：不详难度：| 查看答案

— The food here is nice enough.

— My friend ______ me a right place.

A．introduces

B．introduced

C．had introduced

D．was introducing

题型：不详难度：| 查看答案

--Do you want a lift home?

---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.

A．doesn’t go off

B．won’t gone

C．wasn’t going off

D．didn’t go on

题型：不详难度：| 查看答案

As the years passed, many occasions—birthdays, awards, graduations—________ with Dad’s flowers.

A．are marked

B．were marked

C．have marked

D．had marked

题型：不详难度：| 查看答案

They became friends again that day. Until then, they _______ to each other for nearly two years.

A．didn"t speak

B．hadn"t spoken

C．haven" t spoken

D．haven" t been speaking

题型：不详难度：| 查看答案