Question

11. They are used to _____________(prepare) new lessons.

12. By _____________( work) day and night , he succeeded in

(finish) the job in time.

13. His doctor advised him ______(give) up_______ (smoke).

14. Please stop __________(talk). We will stop _________(eat)

lunch in ten minutes.

15. Stop ________(argue) and start ________________(work).

16. I like _____________(think) carefully about things before

_______________(make) decision.

17. Ask him _______________(come) in. Don`t keep him

____________(stand) at the door.

18. Did you succeed in ______________(solve) the problem?

19. Don’t forget _________(lock) the door before _______(go) to bed.

20. Don’t try ____________(persuade) me . Nothing can make

me _______________(change) my mind.

Answer 1

11.preparing

12.working-finishing

13.to give-smoked

14.talking-to eat

15.arguing-working

16. to think- making

17.to come - to stand

18.solving

19. to lock - going

20.to persuade - change

Answer 2

11. They are used to _________preparing____(prepare) new lessons.

12. By _________working____( work) day and night , he succeeded in

(finish)finishing  the job in time.

13. His doctor advised him __to give up____(give) up____smoking___ (smoke).

14. Please stop ______talking____(talk). We will stop _____to eat____(eat)

lunch in ten minutes.

15. Stop ______arguing__(argue) and start ______working__________(work).

16. I like ______thinking_______(think) carefully about things before

____________making___(make) decision.

17. Ask him _____to come__________(come) in. Don`t keep him

_______standing_____(stand) at the door.

18. Did you succeed in ________solving______(solve) the problem?

19. Don’t forget ___to lock______(lock) the door before _____going__(go) to bed.

20. Don’t try ______to persuade______(persuade) me . Nothing can make

me ________change_______(change) my mind.