单项选择题

The salesman had to ______ the conversation in order to wait on a customer.

A．break off
B．break away
C．break in
D．break up
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单项选择题
It’s necessary that the problem ______in some way or other.
A．is settled
B．was settled
C．be settled
D．has been settled
单项选择题
Jerry received a letter yesterday ______ that he got the job.
A．speaking
B．saying
C．telling
D．talking
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