Look! The children _________ their classroom!A. cleaned B. are cleaningC. are going to clean
If you take my _____,you won’t tell anyone about it.
—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.