There _________a book and three pens on my desk just now，but now there is nothing on it.
A. had B. were C. was
相关试题
—What does the Sign 
on the bottle mean? —It means “________”.
A. dangerous B. save water C. recycling
We _________ finish our homework on time.
A. is supposed to B. be supposed to C. are supposed to
My mother often stops me from _________ TV for too long.
A. watch B. watching C. to watch
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