—Must we sweep the floor right now?—No , you ________.You can do it laterA. mustn’tB. can’tC. don’t have to
Cut up these apples and oranges and then .
It’s good for children to drink every day.
If you are tired, please stop a rest.
—I’m going to Lijiang for vacation.— .
he is only five years old, he can sing a few English songs.