题目
There___________a lot of small flats,but now most of us live in bigger ones.( )
A.
used to be
B.
used to
C.
used to have
D.
is used to having
知识点:表语从句章节:句法 / 复合句
There___________a lot of small flats,but now most of us live in bigger ones.( )
used to be
used to
used to have
is used to having
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