1.We enjoy (swim)…swimming……………… along this river.
2.Children have just stopped ( play)…playing…………………….. football.
3.They keep ( talk)…talking………………………… about an old friend they met yesterday.
4.Would you mind ( help)………helping……………………. me with this work?
5.It started (rain)…raining…………… an hour ago. Has it stopped ( rain)…raining……………… yet?
6.They prefer (play)……playing…………………… in swimming pool all day.
7.I used (smoke)…to smoke……………… 20 cigarettes a day,but now I give up (smoke)smoking…………
8.We decided (rent)…to rent…………………… a house with a swimming pool.
9.Let me ( pay)………………pay………………….. for the meal.You paid last time.
B. Choose the best answer:
1.We are looking forward _____ you again soon. A. to see B. to seeing C. saw D. have seen
2.I suggest _____ some more mathematical puzzles. A. do B. to do C. doing D. done
3.Would you mind _____ the door? A. open B. to open C. opening D. opened
4.You should give up _____ or you will die of cancer. A. smoke B. to smoke C. smoking D. smoked
5.The driver stopped _____ a coffee because he felt sleepy. A. have B. to have C. having D. had
6.You had better _____ at home until you feel better. A. stay B. to stay C. staying D. stayed
7.You can’t stop me from _____ what I want. A. doing B. do C. to do D. that I do
8.He tried to avoid ______ my question. A. answering B. to answer C. answer D. how to answer
9.Jim is 65, but he isn’t going to retired yet. He wants to carry on _____. A. to work B. work C. works D. working
10.Cathy suggested _____ to the cinema. A. went B. not to go C. not go D. going