题目内容

Don't give up, try for ____ second twice.

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

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There isn't water or air on the moon, and ____ man can't live on it.

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

____ more you read English, ____ better you'll learn.

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

The Greens ____ upstairs.

A. live
B. lives
C. are lives
D. living

There is ____ “h” in ____ word “hour”.

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

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