1.Keep on ……………………………… (do) whatever you were doing. 2.Ann borrowed Sally’s clothes without ……………………………… (ask) her first. 3.The children practised ……………………………… (throw) the ball. 4.I can’t help ……………………………… (worry) about her absence. 5.Last night she finished ………………………………. (study) about ten . 6.Ask him (come) ……………………………… in. Don’t keep him (wait) ...................... at the door. 7.I didn’t know how (get) ………………….to your house. Therefore, I stopped (ask) ……………the way. 8.It’s no good (write) ……………………………… to him, he never answers letters. 9.Adam is used to (sleep) ……………………………… late at weekends. 10.When I was young, I used (swim) ………………………………. every day. 11.He made me (do) ……………………………… it all over again. 12.I let him (go) ………………………… early as he wanted (meet) ……………………… his wife. 13.Scientists are trying (search) ……………………………… alternative fuels. 14.My father has refused (lend) ……………………………… me the money. 15.Jack hopes (arrive) ……………………………… next week. 16.He learned (play) ……………………………… the piano. 17.She managed (finish) ……………………………… her work early. 18.We are looking forward to (read) ……………………………… your new book. 19.I don’t feel like (work) ………………………………. What about (go) ……………………………… to a concert instead? 20.When a student asks a question, the teacher tries (explain) ……………………………… the problem as clearly as possible. 21.I rang the doorbell but there was no answer. Then I tried (knock) ……………………… on the door but there was still no answer. 22.We tried (put) …………………… the fire out but we were unsuccessful. We had to call the fire brigade. 23.You don’t need (iron) …………………… that shirt. It doesn’t need (iron) ………………………. 24.Do you want (leave) ……………………………… early? 25.She enjoys (take) ……………………………… a trip to Ha Long Bay . 26.I am not interested in (listen) ……………………………… to music. 27.I don’t feel like (go) ……………………………… to the cinema tonight. 28.She is afraid of (live) ……………………………… on her own in a big city. 29.You must try (study) ………………………… harder if you want (pass) ………………… the exams. 30. Would you mind (do) ……………………………… the housework? 31. It’s no good (tell) ………………… your father about your failure 32. (Lose) ………………… weight, I’d advise you to cut out fats from your diet. 33. It was horrible (work) ………………… as an au pair. My family expected me (work) ………………… seven days a week. 34. He was having trouble (hear) ……………………… her. 35. Six months after the accident, he still has difficulty (walk) ………………………. 36. Would you like (drink) ……………………………… a cup of tea ? 37. These children spend most of their time (watch) ………………………… TV. 38. She enjoys (collect) ………………………… stamps all over the world.