题目内容

The population of China is larger than ______ of America.

A. one
B. ones
C. that
D. those

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_____ is our duty to help others.

A. That
B. It
C. This
D. These

Helen often plays with _______ after school.

A. he
B. his
C. him
D. she

Help _____ to some fish, kids.

A. youself
B. yourself
C. youselves
D. yourselves

______ she _____ I know his address. You’d better ask another person.

A. Neither… nor
B. Either…or
C. Both ...and
D. Either …nor

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