— Isn’t that Ann’s husband over there?  — No, it ________ be him — I’m sure he doesn’t wear glasses.

I ___________ through that bitter period without your generous help.

—Must I finish my homework at school?— No, you_____. you can do it at home

.--- Where is your father? --- I'm not sure. He_______ in the office.

According to the traffic rules, you _________ wear the safe belt while you are driving.