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题型：单选题题类：常考题难易度：普通

–Your bedroom is dirty. Please tidy _____ up.
-Ok, mum.

A、it B、its C、them

举一反三

Whenever Bob reads an interesting story, he can't keep it to _________ and wants to share it with others.

We find important to use a foreign language well.

______ name is Mike. ______ is in China.

If you can't decide which of the two books to borrow, why don't you take _____? I won't read them this week.

My mother is a teacher. She loves job very much.

My sister went to the party and ________ had a good time there.

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