I________that all windows are shut.I did it.A．make sureB．am sureC．make clearD．am

题型：不详难度：来源：

I________that all windows are shut.I did it.

A．make sure

B．am sure

C．make clear

D．am clear

答案

解析

be sure that 确信，保证；make sure that 确保。

举一反三

Do you know even the ordinary things can ________the most breathtaking stories?

A．show

B．describe

C．tell

D．say

题型：不详难度：| 查看答案

Thanks to the environment－protection policy,our living conditions have been greatly________.

A．increased

B．improved

C．developed

D．grown

题型：不详难度：| 查看答案

All the teachers are against the idea to ________the new teaching building beside the sports ground.

A．find

B．set

C．locate

D．build up

题型：不详难度：| 查看答案

It’s high time we ________ effective ________to improve your working conditions.

A．take;means

B．made;measures

C．took;measures

D．do;actions

题型：不详难度：| 查看答案

—Did you hear that Tonna took social management as her major?
—Yes,but she shouldn’t have,you see.This kind of subject ________one’s communication ability,and that’s what she is most weak at.

A．tests

B．examines

C．checks

D．takes

题型：不详难度：| 查看答案