He tried his best to solve the problem , ______difficult it was. [ ]A. h - 初中英语试题 - 超级试练试题库

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题型：同步题难度：来源：

He tried his best to solve the problem , ______difficult it was.     [     ]
A. however
B. no matter
C. whatever
D. Although

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试题【He tried his best to solve the problem , ______difficult it was. [ ]A. h】；主要考察你对从属连词等知识点的理解。[详细]

举一反三

句型转换。
1. Wang Xiao didn"t go to school. She had a fever. (合并为一个复合句)
    Wang Xiao didn"t go to school _____ she had a fever .
2. If you don"t study hard, you won"t pass the exam. (改为同义句)
   You won"t pass the exam _____ you study hard.
3. I am 15. My brother is 13. (合并为一个复合句)
    I am two years older _____ my brother.
4. It"s raining heavily, but I still go to school. (改为同义句)
    I still go to school _____ it"s raining heavily.
5. It is three years since I joined the army. (改为完成时态)
    I have _____ the army for three years.

题型：同步题难度：| 查看答案

I know nothing about the news _____ my friend told me yesterday.[     ]
A. because
B. since
C. until
D. after

题型：同步题难度：| 查看答案

I am sleepy _____ I didn"t sleep well last night.[     ]
A. when
B. that
C. because
D. so

题型：同步题难度：| 查看答案

—I"m not sure _________there are living things on the planets or not.
—Even scientists aren"t sure about it.[     ]
A. whether
B. where
C. why
D. what

题型：同步题难度：| 查看答案

—Did you have a good time at Alice"s birthday party？
—Yes，indeed. It’s several years_____ I enjoyed myself so much.[     ]
A. when
C. since
B. before
D. that

题型：同步题难度：| 查看答案

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