单项选择题

（）, the book has many mistakes.

A.Having not been written carefully
B.Not writing carefully
C.Having written not carefully
D.Not having been written carefully

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单项选择题

A.that
B.what
C.which
D.this

单项选择题

A.that you won't take
B.your not taking
C.please don't take
D.you didn't tak

单项选择题

A.there being
B.there to be
C.there is
D.being