Tom, who _________English for 20 years in English, now has been appointed headma

题型：不详难度：来源：

Tom, who _________English for 20 years in English, now has been appointed headmaster of our school．

A．had taught

B．has taught

C．taught

D．had been teaching

答案

解析

略

举一反三

The No. 8 bus _______ to Chengdu college of Geology, and not to Sichuan University.

A．are gone

B．is being gone

C．goes

D．are going

题型：不详难度：| 查看答案

Tom ______ for 5 years, but he has been leading a new life since he was set free.

A．was put in prison	B．was in prison
C．has been put in prison	D．has been in prison

题型：不详难度：| 查看答案

30. My parents have promised to come to see me before I _____ for Africa.

A．have left

B．leave

C．left

D．will leave

题型：不详难度：| 查看答案

I don’t smoke now, but I ____for almost ten years.

A．ever smoked

B．have ever smoked

C．had ever smoked

D．was ever smoking

题型：不详难度：| 查看答案

Mr. Smith is one of the foreign experts who ___________in China.

A．works

B．is working

C．are working

D．has been working

题型：不详难度：| 查看答案