I really don’t know______Tom lost his wallet.A.when was it that B that it was whenC. where it was that D. it was where that
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.