________ by a crowd of people,I felt nervous,______ what to
________ by a crowd of people,I felt nervous,______ what to say.A.Watching,didn't
________ by a crowd of people,I felt nervous,______ what to say.
A.Watching,didn't know B.Having watched,and not knew
C.Having been watch,not known D.Being watched,not knowing
为什么选D?no knowing 是做从句的什么成分?选C为什么错?从句填didn't know为什么不行?
________ by a crowd of people,I felt nervous,______ what to say.
A.Watching,didn't know B.Having watched,and not knew
C.Having been watch,not known D.Being watched,not knowing
为什么选D?no knowing 是做从句的什么成分?选C为什么错?从句填didn't know为什么不行?
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"a crowd of people"后be动词用is还是are
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你能帮帮他们吗