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试卷简介
本套试卷集合了考试编委会的理论成果。专家们为考生提供了题目的答案，并逐题进行了讲解和分析。每道题在给出答案的同时，也给出了详尽透彻的解析，帮助考生进行知识点的巩固和记忆，让考生知其然，也知其所以然，从而能够把知识灵活自如地运用到实际中去。
试卷预览
1.
A lot of tall buildings_____in his hometown in the last three years.
A. have built up
B. built up
C. were built up
D. have been built up
2.
You'll be fined______you returm the books to the school library by this weekend.
A. if
B. until
C. unless
D. provided
3.
There are still many problems______before we are ready for a long stay on the moon.
A.solving
B.solved
C.being solved
D.to be solved
4.
I left very early last night, but I wish I______so early.
A.didn't leave
B.hadn't left
C.haven't left
D.couldn't leave
5. Simon_____the beggar some food at the corner of the park every day.
A. gives
B. gave
C. is giving
D. give
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