The number of foreign students attending Chinese universities _____ rising steadily since 1990.
#100674
A
is
B
are
C
has been
D
have been
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Over the past decades, forest area ______ in China as a result of massive deforestation.
#102586
A
had decreased
B
decreased
C
is decreasing
D
has been decreasing
The manager was worried about the press conference his assistant ______ in his place but luckily, everything was going on smoothly.
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A
gave
B
gives
C
was giving
D
had given
.Mother wanted to be a good provider, a role she________since her marriage to Father.
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A
shoulders
B
shouldered
C
is shouldering
D
has been shouldering
We at the airport; otherwise we would have arrived home by lunch time.
#99372
A
had delayed
B
were delayed
C
had been delayed
D
have delayed
---- How is your hometown after the earthquake for 2 years. -----Thanks to the government, the reconstruction work of schools and farm houses ________ and people are living a happy life.
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A
have been completed
B
has completed
C
was completed
D
has been completed