问题
选择题
When did you ___ him?
A．know
B．knowing
C．get to know
D．get to knowing
答案
答案：C
know是持续性动词。一般不用when来提问持续性动词，而get to know就解决了这问题，D项语法结构错误。
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When did you ___ him?
A．know
B．knowing
C．get to know
D．get to knowing
答案：C
know是持续性动词。一般不用when来提问持续性动词，而get to know就解决了这问题，D项语法结构错误。