问题描述：
1.Do you think____hard to speak English like a native speaker?
A.that.B.it.C.this.D.its.
2.It's very difficult____the woman____carry the heavy bag.
A.of,for.B.to,to.C.for,to.D.by,for.
3.--Could you tell me_____?
--It's next to the post office.
A.where the library is.B.where is the library.
C.what the library is.D.what is the library.
A.that.B.it.C.this.D.its.
2.It's very difficult____the woman____carry the heavy bag.
A.of,for.B.to,to.C.for,to.D.by,for.
3.--Could you tell me_____?
--It's next to the post office.
A.where the library is.B.where is the library.
C.what the library is.D.what is the library.
问题解答：
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