题目内容

Do you remember ______ ?

A. how it is done
B. it how to be done
C. How is it done by
D. how to do

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to have been rich.

A. They say
B. It is said
C. He is said
D. That was said

Mathematics is difficult ______.

A. to learn
B. for learning
C. to be learned
D. of learning

My hair is so long that I must go to a barber's shop and______.

A. have to cut it
B. have it cut
C. get it to be cut
D. to cut it

The pencil ______ well.

A. writes
B. is written
C. was written
D. writing

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