—Isn’t that Ann’s husband over there?—No, it _______ be him—I’m sure he doesn’t wear glasses.
A small car is big for family of three_______ you need more space for luggage.
The reason______ she failed to go to the party puzzled all of the people present.
In the U.S, ______a tip is thought to be polite when paying the bill.
He is the only one of those clerks ________ to the important conference.
When I turned to Tony for help, I found that the more he tried to explain, ___________.