1.I am ______ to the supermarket now.
2.My mother usually ______ TV in the evening.
A. watches
B.watch
C. is watching
3.My mother ______ TV now.
A. is watching
B. watch
C. watches
4.It's seven o'clock. The students ______ an Art lesson.
A.have
B.is having
C. are having
5.It's six in the afternoon. The Greens ______ dinner together.
A.has
B.are having
C.have had
6.They ______ (be) cleaning the classroom.
7.Yang Ling ______ (wash) clothes now.
8.My father ______ (go) to work by car every day.
9.Look, the bird ______ (sing) in the tree.
10. Listen! Who ______ ? (sing)