问题

Though the professor tried his best to explain the difficult question, the students still looked _____.
A:confusing
B:being confused
C:to confuse
D:confused
B:being confused
C:to confuse
D:confused
正确答案是:
同类题型
The girl ______ long black hair is Lily. She is pretty.
This pair of jeans______ too much. I don’t want tobuy_______.
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My friend Jack has _________hair.
What do you think of the book? -Oh, excellent It is worth _____ second time