________ arriving at the government office, he told the people there that he was very happy to visit the. city.

[　　]

I opened the door and found her ________ on the edge of the bed.

[　　]

He promised to do that for me ________ I allow him ________ for a few days.

[　　]

A．on condition that, to leave

B．on the condition if, to leave

C．on condition that, leaving

D．on the condition if, leaving

________ people know they can never ________ enough.

[　　]

You can never know ________ when she received our nice birthday presents.

[　　]

Neither he not I ________ the film. Both of us want to have a look.

[　　]

After three years of hard work, they had at last paid ________ all the money they had borrowed.

[　　]

Ann never dreams of _____ for her to be sent abroad very soon.

[　　]

A．there being a chance

B．there to be a chance

C．there be a chance

D．being a chance

Push the window ________ to let in some fresh air.

[　　]

－Why did you talk to the teacher after class?

－I don't understand ________ during the lecture.

[　　]

A．the problem did she tell us

B．how did she say

C．that she was talking about

D．what she was teaching