关于wait的一道选择题When ( )to see the doctor,I met with a friend of mine.A.to wait B.waited C.waiting D.was waiting顺便讲一下原因

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关于wait的一道选择题When ( )to see the doctor,I met with a friend of mine.A.to wait B.waited C.waiting D.was waiting顺便讲一下原因
关于wait的一道选择题
When ( )to see the doctor,I met with a friend of mine.
A.to wait B.waited C.waiting D.was waiting
顺便讲一下原因

关于wait的一道选择题When ( )to see the doctor,I met with a friend of mine.A.to wait B.waited C.waiting D.was waiting顺便讲一下原因
绝对是C,伴随状语从句.在一个动作正在进行的过程中发生另一件事要用现在分词.

C.waiting

C
我句子结构学的很差..好像似乎是状语用一个分句可以等于状语用动名词的词组形式``不知道你听得懂不

选C
When (I was) waiting to see the doctor……
“I was”省略

D