—Has Tommy finished his homework yet?—I have no idea; he ---

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—Has Tommy finished his homework yet?—I have no idea; he ---it this morning.
A.was doing B.had been doing C.has done D.did 选A 还是B 是最好的答案

A
汤姆完成他的作业了吗?我不知道 ,他今早上一直在做
这里有特定的时间状语 this morning,只是指今早,并没有说从今早上到现在,所以不用能用完成时,不选C,而 B 是过去完成时,表示过去的过去,所以不选B

—Has Tommy finished his homework yet?—I have no idea; he --- Has Jack finished his homework yet?I've no idea, -----Has Sam finished his homework today?-----I have no idea --has jack finished his homework yet?--i've no idea,but he__ as Jack finished his homework yet?I’ve no idea,But he ___it — Has Jack finished his homework yet? has sam finidhed his homework today?I have no idea.He ----it He has finished his homework yet挑错并改正 ---Has Li Lei finished his work today?--- I have no idea,but 高中英语Has Tom already finished his new story?I've no idea.He _ 18.Has Jack finished his homework yet? The has finished his homework yet改错