题目内容

elephant is heavier than horse.

A. /,/
B. An,the
C. An,a
D. /,the

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It took me hour and half to finish work.

A. a,a,a
B. an,a,a
C. an,a,the
D. an,a./

Shutdoor, please.

A. a
B. an
C. the
D. /

We often have sports after class,and I like to play basketball.

A. a
B. an
C. the
D. /

We work five day week.

A. a
B. an
C. the
D. /

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