题目
There a bookstore,but now it a library.( )
A.
used to be;is used to be
B.
used to be;is used to being
C.
is used to;used
D.
is used to;is used for
知识点:动词短语章节:词法 / 固定短语
There a bookstore,but now it a library.( )
used to be;is used to be
used to be;is used to being
is used to;used
is used to;is used for
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