6/I expect you have already finished your assignment ,......you?

7/I wouldn't go to medical college if I already ... a medical doctor .

8/Mike said he was adjusting .... to the new environment .

9/When the boy was injured, an ambulance. .... to the hospital.

10/water .... oxygen and hydrogen.

11/They have been married ..... 1999.

12/Do you understand .....?

13/There's no point .... staying up all night your exam is tomorrow .

14/I ..... the entrance exam if I don't improve .

15/Many situation in life ..... some knowledge of mathematics .

16/we don't have .... money .

17/.... ever seen a real kangaroo?

18/....... a lot of cars on the road

19/Have you ..... flown by plane.

20/They have never tried Italian food. B:........

1/How ...... to work

2/I wouldn't go to medical college if I already ...... a medical doctor