单选题
We met the young couple at a party three weeks ago. __________ we've had no further communication.
A．Thereof
B．Thereby
C．Thereafter
D．Thereabouts
参考答案C
解析:
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A．proportion
B．installment
C．correspondence
D．collaboration
A．evaluation of a problem.
B．establishment of clear goals to be reached by the decision.
C．action undertaken in order to discover more information about a problem.
D．comparison of the probable effects of different solutions to a problem.
A．contradictory.
B．irrational.
C．insightful.
D．vague.