单项选择题

I was about to leave my house ______ he came.

A. while
B. as
C. when
D. since
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单项选择题
It is important that he ______ tomorrow.
A. should come
B. shall come
C. will come
D. came
单项选择题
How much time do you spend ______ English every day
A. practicing to read
B. practicing reading
C. practice to read
D. to practice to read
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