1. The boy seems  ____is____________very polite.                                                  (be)

2. I can’t bear ______waitting__________for people when it’s raining.                             (wait)

3. They were fined for ___________not paying_____the bill.                                                  (not pay)

4. The teacher ordered us ______to work__________in pair.                                            (work)

5. He went on ____studying____________for 5 years.                                                          (study)

6. I regret ______to inform__________you that your proposal hasn’t been accepted      (inform)

7. I would like _________to have_______dinner with you .                                              (have)

8. This exercise is difficult _____to understand___________.                                                       ( understand)

9. I forgot _____to phone___________you yesterday.                                                           (phone)

10. Before _________answering_______the questions, please read the text carefully.       (answer)

11. I used to __________go______to school on foot when I was a primary student. (go)

12. I have just invited my friends _______to have_________dinner in my house.        (have)

13. He wants me ________to tell________him the truth.                                                 (tell)

14. ______adding__________fruit and vegetables everyday is necessary .                    (add)

15. The company postpones ________have________a meeting.                                  (have)

16. Do you regret ________not to learn________English when you were at school.            (not learn)

17. I am getting used to ________getting up________early to go to work.                          (get up)

18. I don’t remember ______visiting__________that city.                                                  (visit)

19. I heard my brother ______from singing__________in his room.                                          (sing)

20. Doctors hope ___to find_____________a cure for cancer.                                          (find)

1. The boy seems to be very polite.                                                  (be)

2. I can’t bear waiting for people when it’s raining.                             (wait)

3. They were fined for not paying the bill.                                                  (not pay)

4. The teacher ordered us to work in pair.                                            (work)

5. He went on studying for 5 years.                                                          (study)

6. I regret to inform you that your proposal hasn’t been accepted      (inform)

7. I would like to have dinner with you .                                              (have)

8. This exercise is difficult to understand.                                                       ( understand)

9. I forgot to phone you yesterday.                                                           (phone)

10. Before answering the questions, please read the text carefully.       (answer)

11. I used to go to school on foot when I was a primary student. (go)

12. I have just invited my friends to have dinner in my house.        (have)

13. He wants me to tell him the truth.                                                 (tell)

14. Adding fruit and vegetables everyday is necessary .                    (add)

15. The company postpones having a meeting.                                  (have)

16. Do you regret not to learn English when you were at school.            (not learn)

17. I am getting used to getting up early to go to work.                          (get up)

18. I don’t remember visiting that city.                                                  (visit)

19. I heard my brother sing in his room.                                          (sing)

20. Doctors hope to find a cure for cancer.                                          (find)