They have no idea at all .A.what he is working onB.what is he working onC.what d
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They have no idea at all ____.
A.what he is working on
B.what is he working on
C.what did he work on
D.what he is working
试题答案
A
名词性从句.定语从句中应用陈述语序结构，故选A。