We must keep the classroom ___________.A．cleanB．to cleanC．cleaningD．cleaned

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We must keep the classroom ___________.

A．clean

B．to clean

C．cleaning

D．cleaned

答案

解析

本题的含义是我们必须要使教室保持干净，keep sth+形容词表示使某物保持某个状态，clean可以为形容词，故本题选A。

举一反三

---What do you want to be when you ___________?
---I want to be a pilot.

A．open up

B．pick up

C．eat up

D．grow up

题型：不详难度：| 查看答案

---Why is he so happy?
---He __________ the volunteering club and works for the old people.

A．takes part in	B．takes an interest in
C．takes pride in	D．takes cares of

题型：不详难度：| 查看答案

---How far is your home to your school?
---It _________ me about twenty minutes by bus.

A．costs

B．spends

C．pays

D．takes

题型：不详难度：| 查看答案

What _____ he want to ______?
A, is, do B. do, be C. does, be D. do, do

题型：不详难度：| 查看答案

-The desks are very dirty.
-Let me you them.

A．to help;clean

B．help;clean

C．helps;to clean

D．to help;to clean

题型：不详难度：| 查看答案