相关考题
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单项选择题
Biting your nails is（）habit.
A.an irritated
B.an irritating
C.irritating
D.irritated -
单项选择题
We are（）how an error like this could have happened.
A.searching
B.researching
C.surveying
D.investigating -
单项选择题
After two（）delay, our train arrived at last.
A.hours frustrating
B.hours frustrated
C.hours’ frustrating
D.hours’f rustrated
