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【单选题】
The prices of the agricultural products have been ____ steadily in the past few years.

risen
raised
arisen
aroused
【单选题】
3. He said he had ______ this subject for ten years.

taught
pursued
demanded
afforded
【单选题】
Ill finish my adult education courses_________ two years.

in
on
until
by
【单选题】
Before?he came to China, he??[填空]Chinese for three years.

have learned
had learned
learned
learning
【单选题】
Reforms have brought about rapid [] growth in China in recent years.

economical
economic
【单选题】
The population of many Alaskan cities has __________ doubled in the past three years.

larger than
as great as
more than
as many as
【单选题】
—Are you a teacher?—No, but I ________. I worked in a middle school for three years.

am
will
do
was
【单选题】
Lucy has been a student there for nearly one and [填空] half years.

a
an
the
/
【单选题】
The city ____ its birth-rate by almost 60% in the past 20 years.

cuts
has been cut
cut
has cut
【单选题】
The city ______ its birth-rate by almost 60% in the past 20 years.

cuts
has been cut
cut
has cut