—What’s the matter with you? —______ the window , my finger was cut unexpectedly.
#68156
A
Cleaning
B
To clean
C
While cleaning
D
While I was cleaning
推荐题目
She likes to use words ___ is clear to us.
#72149
A
of which meaning
B
whose of meaning
C
meaning of which
D
of which the meaning
Thinking ______ you know_______ in fact you don’t is a terrible mistake. 
#67852
A
that; that
B
what; what
C
that; what
D
what that