1.      Bi often (not phone) to me.

2.      Mrs. Green always (take) a bus to work. But now she (drive) to work.

3.      Look! The ball (fall) down.

4.      He usually (water) the trees in the morning.

5.      She (not listen) to the radio now.

6.      The sun (rise) in the East and (set) in the West.

7.      He (play) table tennis at the moment.

8.      Mo and Nguyen (sing) the same song now.

9.      They always (make) noise in the class.

10. Hung often (not go) camping in the summer.