Knowledge and learning are important if we want to be successful, but they may also __________ our thinking.
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A
direct
B
limit
C
change
D
improve
推荐题目
---I don't suppose the police know who did it. ---Well, surprisingly they do. A man has been arrested and ____ now.
#99645
A
has been questioned
B
is being questioned
C
is questioning
D
has questioned
With a nod of his head，he ______ me where I should sit.
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A
indicated to
B
indicated that
C
indicate to
D
indicate that
—Has Sam finished his homework today?—I have no idea. He ________ it this morning.
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A
did
B
has done
C
was doing
D
had done
--- I’m sure Andrew will win the first prize in the final. --- I think so. He ___________ for it for months.
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A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
--How’s that? Who broke the glass? ---Well, it ___me. I was doing my homework the whole evening.
#103580
A
hasn’t been
B
hadn’t been
C
weren’t
D
wasn’t