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单项选择题
() the strenuous efforts from both sides, we wouldn’t have come to this happy ending.
not for
B、Unless
C、In spite of
D、If only
A、If
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We are happy to have concluded business with you, our work was not wasted. The time-taking negotiations were ().
our while
C、worthy
D、worth while
A、worthwhile
B、worth
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We are exporters of long-standing and high reputation, () exportation of following articles.
in
B、engaging in
C、engaged,on
D、engaing on
A、engaged
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