10. Match the beginning of each sentence with the correct ending. Then complete the sentences using if, provided, supposing, in case, or unless.
For example: You can borrow the car provided you fill it with petrol
Beginnings
Endings
1) you/borrow/the car
a) the ice/melt
2) you/travel/anywhere
b) you fill it/petrol
3) you/not do as you are told
c) you/not get a treat
4) give/phone number
d)buy/new house
5) I/not help you with your homework
e) need to/call back
6) I/cook the dinner
1) you want a refund
7) I won the lottery
g) you wash up
8) temperature rise
h)in the world/to go/where
9) ask for receipt
i) you promise to concentrate
10) earn enough
j) spend money for​

6. The cat must be sick. He HAS NOT EATEN  any food for two days. We'd better call the vet.
7. Our teacher HAS GIVEN us a lot of tests and quizzes since the beginning of the term.
8. We put a little money in our savings account every month. We want to buy a car, but we HAVE NOT SAVED enough money yet. We'll have enough in a few more months. 9. HAVE you ever SLEPT outdoors for the entire night? I mean without a tent, with nothing between you and stars. 10. My aunt puts on a wig whenever she goes out, but I HAVE never WORN a wig in my life. 11. Paul's health HAS IMPROVED a lot since he started eating the right kinds of food, exercising regularly, and handling the stress in his life. He's never felt better. 12. I can't find my keys. I HAVE LOOKED everywhere — in all my pockets, in my briefcase, in my desk. They're gone.

1)Will Bob go to Sochi next summer ?
2) Who wil go to Sochi next summer ?
3) Will Bob go to Sochi or to Voronezh next summer?
4) Will Bob go to Sochi next summer or next spring?
5) Will Bob or Ben go to Sochi next summer?
6) Will Bob go or fly to Sochi next summer?

1) Is Sam cooking lunch in the kitchen?
2) Where is Sam cooking lunch?
3) Is Sam or Jack cooking lunch in the kitchen ?
4) Is Sam cooking lunch or dinner in the kitchen ?
5) Is Sam cooking lunch in the kitchen or in the dining room?
6) Is Sam cooking lunch or washing the dishes in the kitchen ?