Great changes __________ in China in the past few years.
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A
were taken place
B
took place
C
have been taken place
D
have taken place
推荐题目
---Look! What a nice and clean toilet! ---Yes. It ______ every morning.
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A
is cleaned
B
has been cleaned
C
is being cleaned
D
was cleaned
－What’s his brother?－He is a teacher.He__________ maths at a school.
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A
taught
B
has taught
C
teaches
D
will teach
The teacher is already standing here. Do you know when she ______?
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A
comes
B
came
C
is coming
D
was coming