I am not sure _______the Chinese football team has won in the 16th Asian Cup or not.
—Is that Lucy’s cousin, Anna? —No, it ______ her. She has gone to Paris.
There are about 46 ______ people in this country.
_______ Peter is old and weak, he still has to work.
The windows must _________ before you leave the room.
I am very sad that I ______ many chances in the last few years.