单项选择题

______ this experiment is not difficult.
A) Having done C) To do
B) Done D) Being done
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单项选择题
If Jane had taken more exercises in the past few years, she ______ so fat now. A) would be C) wouldn't have been B) wouldn't be D) would have been
If Jane had taken more exercises in the past few years, she ______ so fat now.
A) would be C) wouldn't have been
B) wouldn't be D) would have been
单项选择题
______ English well, he translated the story without much difficulty. A) Knowing C) Knew B) Known D) To know
______ English well, he translated the story without much difficulty.
A) Knowing C) Knew
B) Known D) To know
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