1 . How can you expect him to make any improvement ________ you never give him an opportunity to have a try?
A.unless | B.when | C.until | D.while |
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2010高一·全国·专题练习
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2 . I can guess you were in a hurry. You ______ your sweater inside out.
A.had worn | B.wore |
C.were wearing | D.are wearing |
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3 . The wine industry in the area has developed in a special way, ____ little foreign ownership.
A.by | B.of | C.with | D.from |
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