题目内容
Grandpa fell asleep while he _________ television.
[ ]
|
A .watches |
B .watched |
|
C .is watching |
D .was watching |
答案:D
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题目内容
Grandpa fell asleep while he _________ television.
[ ]
|
A .watches |
B .watched |
|
C .is watching |
D .was watching |