1.Who(teach)_____you English ?
2.The dog(lie)____on the floor now
3.It is expensive(travel)____around the world by plane
4.My family(visit)____Ho Chi Minh city this summer vacation
5.What about(help)____Mom,Mai?-She(sweep)____the floor
6.What your father(do)____?-He(be)____a doctor but he(not,work)____at once.He(go)____on business
7.(Not,talk)____,please!The baby(sleep)____
8.There(be)____many people at the party?