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 |