题目内容

It is necessary for us to keep the balance of nature.

[    ]

　　A. 指人   B. 指物   C. 指事   D. 指形式主语

答案：D
练习册系列答案
相关题目

I have a lot of work ______ today.

[    ]

　　A. do   B. did   C. to do   D. done

A pair of new shoes for you, please ________.

[　　]

A．try them
B．wear on
C．try on them
D．try it on

-- ______ I go home at once?

-- No, you needn't.

[    ]

　　A. May   B. Can   C. Shall   D. Must

We all know that there's no air ______ water on the moon.

[    ]

　　A. and   B. but   C. or   D. so

Who ______ us what to do?

[    ]

　　A. am going to tell   B. is going to tell

　　C. is telling　　　　 D. shall tell

We can ask ______ her ______ her husband to go to the concert with us.

[    ]

A. either, and   B. neither, or

C. both, and　　 D. not only, and

It took him a minute or two to remember ______ the radio.

[    ]

　　A. turning off   B. to turns off

　　C. turned off    D. turns off

The same mistakes should not ______ again.

[    ]

　　A. make   B. to make   C. made   D. be made

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网