________ the photo. Can you ________ a boy in it? A. Look, see B. Look at, see C. Look at, look
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.
—Must we clean the classroom now?—No ,you _______.