All the homework , the students went to see the movie Black Hawk Down.
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A
had been done
B
having been done
C
had done
D
having done
推荐题目
As is known to us all, English books of this kind ________ well in middle schools.
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A
sell
B
sells
C
is sold
D
are sold
－Miss Jones once _________ music at a local college for ten years and now is an actress.－No wonder I often hear her sing some pop songs.
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A
had taught
B
has been teaching
C
taught
D
is teaching
Quantities of water ________for cooling in the only one of the factories that ________steel.
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A
has been needed；produces
B
have been needed；produce
C
is needed；produce
D
are needed；produces
--It’s a pity that you didn’t come to my birthday party last night.--I’m terribly sorry. I ________ for an important lecture.
#100522
A
prepared
B
was preparing
C
had prepared
D
has prepared