(2011·湖南)One－third of the country ________ covered with trees and the majority of the citizens ________ black people.
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A
is；are
B
is；is
C
are；are
D
are；is
推荐题目
The old city wall ______ in the Ming Dynasty.
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A
was been built
B
has been built
C
was built
D
had been built
-Why does the Lake smell terrible?-Because large quantities of water__________.
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A
have polluted
B
is being polluted
C
has been polluted
D
have been polluted
To his disappointment, the opinion he had stuck out wrong.
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A
to turn
B
to turning
C
to turned
D
to be turned
—How long _ like this? — Three weeks! It's normal that it rains without stopping these days of the year．
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A
will it rain
B
is it raining
C
has it been raining
D
does it rain
一Have you got any job offers?一No．I I’ll not give up，whatever the result is
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A
waited
B
have waited
C
had been waiting
D
have been waiting