She is a diligent student, and all her spare time she has staying in the library.
Jack, it’s too hot here.______ I open the window?
_____ he promised that he wouldn’t be late, he didn’t arrive until the end of the party
Since the new speed limits ______,the number of accidents in the area has fallen strikingly.
When Kerry and Sam met again two years later, each was pleased to see ____.
Tony couldn’t remember ______he had turned off the computer before he left the office.