单项选择题

When I went in, he was lying on the floor ______ at the ceiling.

A. to stare
B. stared
C. was staring
D. staring
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单项选择题
I was very sleepy. I tried ______ my eyes open but I couldn't.
A. keeping
B. having kept
C. to have kept
D. to keep
单项选择题
______ , they had no chance of winning the war.
A. They fought as bravely
B. As bravely they fought
C. Bravely as they fought
D. As they fought bravely
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