Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know

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Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know

Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know
Little ------- about what he is doing
A.do we know
B.we do know
C.did we know
D.we know

Little ------- about what he is doingA.do we know B.we do know C.did we know D.we know
A little开头要倒装,所以do在前,后面的状态是他现在在做什么,所以前面应该是一般现在时,所以用A

选择答案A