题目内容
-Could you tell me how long ________?
-For about two hours.
[ ]
A.has he fallen asleep
B.he has fallen asleep
C.has he been asleep
D.he has been asleep
答案:D
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题目内容
-Could you tell me how long ________?
-For about two hours.
A.has he fallen asleep
B.he has fallen asleep
C.has he been asleep
D.he has been asleep