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【单选题】
Peter with his classmates ____ for the bus when the earthquake happened.A.
is waiting
B.
was waiting
C.
are waiting
D.
were waiting
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反馈参考答案：
举一反三
【简答题】A surprising amount can be learned in a short time by those who have clear objectives and are prepared to work consistently, providing that they clear their mind of some prevalent misconceptions.
【判断题】In US and UK, students beginning in a school are grouped into classes and they remain in those classes for the entire time in that school.
A.
正确
B.
错误
【单选题】In time, there are a lot of trees on those mountains.
A.
a few year
B.
a few years'
C.
few year
D.
a few year's
【单选题】In a few time, those mountains will be covered with trees.
A.
year
B.
years'
C.
year's
D.
years
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