21. Have you brought me the book I asked you to?
22. What medicine do you take if you have a headache?
23. What did you discuss with your sister during my absence yesterday?
24. I am writing a letter to my friend, don’t trouble me!
25. Have you really been waiting for me for so long? I am sorry indeed.
26. What are you looking at, Nelly?
27. When did you see her last time?
28. I go to bed at ten o’clock every day.
29. When we moved to that house, Mike had been living there for several years already.
30. My mother always takes a bus to get to work, but yesterday she didn't take a bus, she walked to her office.
31. Alex met his friend two hours ago.
32. The weather has changed, and we can go for a walk.
33. Helen speaks French so well because she has lived in France.
34. Have you ever been to New York?
35. I haven't eaten today.
36. What were you doing at that time yesterday?
37. Which do you prefer: tea or coffee?
38. She hasn't kept him company since they had a quarrel.
39. Does your sister do morning exercises every morning?
40. Were they working when you came?