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【单选题】
She doesn’t even know who I am. She even looks at me.A.
never
B.
sometimes
C.
always
D.
often
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举一反三
【单选题】To survive in the intense trade competition between countries, we must ______ the qualities and varieties of products we make to the world market demand.
A.
improve
B.
enhance
C.
guarantee
D.
gear
【单选题】I’m sure that ____you have told him will make some ____to his decision.
A.
what; difference
B.
that; difference
C.
which; effect
D.
what; effect
【单选题】--- Have you told him we have changed the plan? I _____ have, but I haven’t done it yet.
A.
must
B.
ought to
C.
needn’t
D.
can’t
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