1.Look！ The boys ________（swim）in the river.
2.Listen！ The girls ________（sing）in the classroom.
3.What is he ________（do）now?
4.There ________（be）many apples on the tree.
5.He ________（walk）to school every day.
6.________（not sit）on the desk！
7.I am ________（make）a toy car for my little brother.
8.—What’s the weather like today?
—It ________（be）windy.
9.My sister ________（be）at home yesterday evening.
10.—What ________（do）you do every morning?
—I ________（do）morning exercises in my school.
11.—Who’s ________（call）， please?
—This is Jack ________（speak）。
12.I’m ________ to visit a flower show tomorrow afternoon.（go）
13.These cups ________（be）very nice.
14.Look ！ The kite is ________（fly）in the sky.
15.My mother ________（like）chocolate.
16.She can ________（speak）English very well.