题目内容
Who ________ in the next room? It is very nice!
[ ]
A.sings
B.sing
C.is singing
D.are singing
答案:C
解析:
解析:
|
第二句语境暗示“唱歌”这一动作正在发生,应用现在进行时; who作主语时,常被视为第三人称单数形式,故选C。 |
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