Yuan Longping, a great person in China, _____as “father of hybrid rice”
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A
is regarded
B
has regarded
C
is regarding
D
regards
推荐题目
This kind of bikes _______in that supermarket.
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A
setl out
B
sold out
C
is sold out
D
are sold out
It’s said that ______of the water around the world___ polluted. 
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A
two third , has
B
two thirds, have
C
two third, are
D
two thirds, is
Old people must be____ politely
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A
spoken to
B
speak to
C
poken
D
spoke
Usually John ________ to school in his father’s beautiful car.
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A
has taken
B
is taking
C
is taken
D
has been taken
Sir, you should ________ at the red light, but you didn’t.
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A
stop
B
have to stop
C
have stopped
D
not have stopped