—Isn"t it hard to drive downtown to work?—Yes，that"s why I________to work by tra

题型：不详难度：来源：

—Isn"t it hard to drive downtown to work?
—Yes，that"s why I________to work by train.

A．have been going	B．have gone
C．was going	D．will have gone

答案

解析

答案　A　[坐火车去上班的动作发生在过去持续到现在并将持续下去，应用现在完成进行时。]

举一反三

This is the best dinner that I________.

A．enjoyed	B．have enjoyed
C．had enjoyed	D．enjoy

题型：不详难度：| 查看答案

I"ll return the book to the library as soon as I________it.

A．will finish	B．am going to finish
C．finished	D．have finished

题型：不详难度：| 查看答案

—Why don"t you go home?
—Because a lot of work________yet.

A．hasn"t finished	B．hasn"t been finished
C．has been finished	D．haven"t finished

题型：不详难度：| 查看答案

Progress ________ so far very good and we are sure that the work will be finished on time.

A．was

B．had been

C．has been

D．will be

题型：不详难度：| 查看答案

—Have you known Dr. Jackson for a long time?
—Yes，since she ________ the Chinese Society.

A．has joined	B．joins
C．had joined	D．joined

题型：不详难度：| 查看答案