题目内容
—— Has Jack finished his homework yet?
—— I have no idea; he ___it this morning.
A.was doing B.had been doing
C.has done D.did
A
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相关题目
— What has Jack been doing recently?
—I don’t know _____ care.
A.nor I do | B.nor do I | C.nor am I | D.nor I am |