题目内容

It was difficult to_____ how many people had been wounded in the earthquake.

A. transform
B. expect
C. estimate
D. regulate

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I_____ a letter of complaint to the manager of the store as soon as I found they had sold me a pair of mismatched shoes.

A. fired off
B. turned off
C. stood out
D. visited with

People browse the Internet, read newspapers and watch TV to_____ what is happening in the world.

A. at a disadvantage
B. take the lead
C. in large part
D. keep up with

The university has_____ another large laboratory for students to design more complicated robots.

A. set off
B. set up
C. set out
D. set about

I find it very difficult to _____ the fact that two of our best students failed the exam.

A. visit with
B. fire off
C. account for
D. set up

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