单项选择题

An old lady was living next door. I heard her（）as I passed her room last night.

A.is coughing
B.coughing
C.to be coughing
D.to coug

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单项选择题

A.Hang on a moment, please
B.No, you can’t.
C.Surely you can.
D.With pleasure

单项选择题

A.was
B.were
C.be
D.have

单项选择题

A.ignore
B.will ignore
C.will have ignored
D.would have ignored