1 . I saw Tom _____ into the classroom without _____.

A．slide; found	B．sliding; find
C．sliding; being found	D．to slide; being found

2 . . If you ask me, I would say that I won’t mind ______abroad to enrich my knowledge.

A．taking

B．to take

C．to be taken

D．being taken

3 . The plan to be carried out next month needs________among the members of the labor union before________.

A．to discuss；carrying out	B．to be discussed；carried out
C．discussing；being carried out	D．discussed；to be carried out

4 . — What made Bill so angry?
—____________. His girl friend promised to come at 8:30, but she hasn’t come yet.

A．Having kept waiting	B．Being kept waiting
C．To be kept waiting	D．He was kept waiting