题目内容

The company has promised to _____ no efforts on the cooperation with us.

A. spare
B. save
C. share
D. make

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I’ve been so busy recently that I don’t know who has been _____ the US president.

A. elected
B. singled out
C. chosen
D. pick up

Your mobile phone needs _____. You’d better have it done tomorrow.

A. repaired
B. to repair
C. repairing
D. being repaired

Television is another major means of communication, _ us to see as well as _ the performers.

A. permitting; to hear
B. permitting, hearing
C. to permit; to hear
D. to permit; hearing

Because this picture is not genuine, it is completely _____.

A. priceless
B. worthless
C. valuable
D. invaluable