题目内容

He ________ his homework before I came.

A. has done
B. has been doing
C. had done
D. would have done

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A. the; /
B. /; a
C. /; the
D. the; the

A. a… The…the…a
B. /…The…/…a
C. the…The…the…a
D. /…The…the…a

A. Beautiful wooden round
B. round wooden beautiful
C. Wooden round beautiful
D. beautiful round wooden

A very
B. a most
C. the most
D. a more