Ididn'tknow________.A.whattheydoB.w

发布时间：2020-07-10 09:16:18

I didn't know ________.













A.what they do












B.what they did











C.what do they do











D.what did they do

网友回答

B解析解析：what引导的宾语从句，用疑问词加陈述句的语序。
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