摘要：It isn’t easy to

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It isn't easy____us____ follow English-language videos.

A. of; to
B.  to; to
C.  for; to
D.  to; for

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_____ isn't easy to learn a foreign language well. But don't give it up.

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

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Sometimes it isn't easy ________ the new kid at school.

A.
to be
B.
being
C.
be
D.
been

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Sometimes it isn't easy ________ the new kid at school.

[　　]

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This machine isn't easy to use ________．can learn to use it in a very short time．

A.
Somebody
B.
Anybody
C.
Nobody
D.
Everybody

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