---How does Jack usually go to school? ---He_____________ride a bike, but now he_______________there to lose weight.
—Which of the caps will you take? —I’ll take _______,one for my father ,the other for my brother.
. —Did you get there by ______ bike? —No, I took ______ taxi.
Why don’t you ________? A.write down it B.write down C.write it down
I ________ the living room.Look,it is clean. A.clean B.am cleaning C.have cleaned
The children ________ at the table when their mother cooked in the kitchen. A.wait B.are waiting C.were waiting