You know he is not going to let us leave early if we __________ get the work done.

He had travelled only seven miles across the Channel ___ his engine failed and he was forced to land on the sea.

I _____ to go to see my former cldogs that night.

Whilethe government says there is a(n) ________supply of houses，prices of apartments have been going upthese years.

He acknowledged _______the book from mybag.