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单项选择题
A.take
B.have taken
C.will take
D.took
单项选择题
A.buying
B.to buy
C.of
D.from
单项选择题
A.must
B.should
C.must have
D.should have
单项选择题
A.every of her keys;none
B.all of her keys;not everyone
C.all of her keys;none
D.her all keys;not all
填空题
单项选择题
A.could
B.can
C.is able to
D.was able to
单项选择题
A.is now constructing
B.has now constructed
C.is now being constructed
D.has been now constructed