You ought to put the meat in the refry, but now _____ sour.
A. it is smelt
B. it is smelling
C. it smells
D. it will smell
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The wolf was killeda gun.
A. by
B. on
C. with
D. in
Which sentences cannot be changed into passive sentence?（more than one choice）
A. Bob has a house in the city
B. She dreams a sweet dream.
C. She resembles her mother.
D. He hurt himself when he fell.
请把语法术语“Voice”翻译成汉语: ____。
判断以下语法表述的对错。A doer subject is usually followed by an active voice verb while a recipient subject is often followed by a passive voice verb.
A. 对
B. 错
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