Thanks to the Internet, different kinds of information        in a short time.
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A
can be learned
B
has been learned
C
can learn
D
has learned
推荐题目
Food safety is important. Rules _____ to stop people from food pollution.
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A
must make
B
must be made
C
mustn’t make
D
mustn’t be made
 This kind of watch ______in India.
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A
makes
B
made
C
is making
D
is made
-How clean and tidy your bedroom is! -Thank you. It ________ every day:
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A
cleans
B
is cleaned
C
was cleaned
D
is cleaning