I wonder ____ he can get it done in such a short time.
A、when
B、how
C、where
D、where
第1题
He ________ a top London clinic yesterday for an operation on his knee.
A、checked with
B、checked out
C、checked for
D、checked into
第2题
Professor Black had us _______ a composition every Friday.
A、to write
B、written
C、wrote
D、write
第3题
She wrote back to him ________ she received his letter.
A、while
B、before
C、whether
D、as soon as
第4题
——Mary, you clean the room today, ?
——But I cleaned it yesterday. It’s Lily’s turn.
A、don’t you
B、will you
C、do you
D、didn’t you
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