题目内容

A.allB.everyC.any

A. all
B. every
C. any

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What can you do if the international line is engaged?

A. Call back outside office hours.
B. Make a “person-to-person” call.
C. Book a call.

A.beforeB.duringC.within

A. before
B. during
C. within

A.throughB.byC.of

A. through
B. by
C. of

A.willB.oughtC.should

A. will
B. ought
C. should

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