1.They often_            (go) to school on foot.

2.  Bad students never                       (work) hard.

3.      It often                               (rain) in the summer.

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

5.      She always                                (cook) in the morning.

6.      I always                               (meet) him on the corner of this street.

7.      He                               (not do) morning exercises regularly.

8.      Water                               (boil) at 100 degrees centigrade.

9.                                  You _                          (be) a good student?

10.   He (cycle) around the park in the morning?