---How can we reduce CO2 in our home? ---It’s easy．______off your TV or computer

题型：不详难度：来源：

---How can we reduce CO2 in our home?
---It’s easy．______off your TV or computers when you’re not using them, and you’ll greatly reduce it．

A．Turn

B．To turn

C．Turning

D．Turned

答案

解析

略

举一反三

The door______．Better have it repaired．

A．won’t shut

B．hasn’t been shut

C．won’t be shut

D．isn’t shut

题型：不详难度：| 查看答案

By the year 2020 scientists _____ a lot of research on AIDS.

A．had done

B．do

C．are doing

D．will have done

题型：不详难度：| 查看答案

This time next week, we _______ a meeting in Beijing.

A．will have

B．are going to have

C．will be having

D．are having

题型：不详难度：| 查看答案

We ________ you ever since you sent us the fax informing us of your date of arrival.

A．expected

B．were expecting

C．are expecting

D．have been expecting

题型：不详难度：| 查看答案

How close parents are to the children _________ a strong influence on their character.

A．to have

B．having

C．have

D．has

题型：不详难度：| 查看答案