—Tom, ______ your books on the floor. I want to clean it.—OK, mum. I’m coming.A. put up B. put on C. put away
We know that about seventy percent _____ the earth _____ covered by water.
you drive,you will be.
The policeman asked the child ________ cross the street ________ the traffic lights turned green.
— I have great _______in finishing the work by myself. Could you help me? — No problem.
-How well she sings! -Yes, she has a very sweet __________.