In this country, coal electricity.A．is used to produceB．is used to producedC

题型：不详难度：来源：

In this country, coal electricity.

A．is used to produce	B．is used to produced
C．is used to producing	D．used to produce

答案

解析

本题考查短语搭配。be used to do被用来做，根据句意：在这个国家，煤被用来发电。选A。

举一反三

It was required that the tall building _______ at present because it is still new.

A．not pulled down	B．was not pulled down
C．not being pulled down	D．not be pulled down

题型：不详难度：| 查看答案

—I’d like a pen which _________ well.
—Will this one _________?

A．is written；work

B．writes; work

C．is written; do

D．writes; do

题型：不详难度：| 查看答案

----Do you know our hometown at all?
----No, this is the first time I _____ here.

A．was

B．have been

C．came

D．am coming

题型：不详难度：| 查看答案

The price ________, but I doubt whether it will remain so.

A．went down

B．will go down

C．has gone down

D．was going down

题型：不详难度：| 查看答案

Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who____been to China

A．knows have

B．knows have

C．know to

D．know has

题型：不详难度：| 查看答案