So between 1510 and 1514 Copernicus worked on it, gradually _____ his theory unt - 高中英语试题 - 超级试练试题库

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题型：0101 期末题难度：来源：

So between 1510 and 1514 Copernicus worked on it, gradually _____ his theory until he felt it was complete.

[ ]

A. to improve
B. to be improving
C. improving
D. improved

答案

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试题【So between 1510 and 1514 Copernicus worked on it, gradually _____ his theory unt】；主要考察你对动词的基本形式等知识点的理解。[详细]

举一反三

We often provide our children with toys, footballs or basketballs, ______ that all children like these things.

[ ]

A. thinking
B. think
C. to think
D. thought

题型：0101 期末题难度：| 查看答案

_____ in the middle of the street was the emperor with nothing on and everyone shouted,
"What beautiful clothes!"

[ ]

A. Walking
B. To walk
C. Having walked
D. Walked

题型：0118 期末题难度：| 查看答案

Nature has provided Shangri-la with endless natural treasures, ______ the land a happy home for
the local people.

[ ]

A. making
B. makes
C. made
D. to make

题型：0118 期末题难度：| 查看答案

短文改错。

题型：0125 期末题难度：| 查看答案

题型：0115 期末题难度：| 查看答案

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