21. I have specialised learning all the terminology in this area.
22. Can you explain me the meaning of this word, please?
23. You have to make a distinction between women who have to work and women who choose to work.
24. For lunch and dinner we were divided into groups of ten
25. There isn’t enough time for us to catch the next train.
26. The old lady never talked to anyone except someone came to visit her.
27. A lot of people are afraid of losing their jobs.

28. Most small children are incapable of sitting still for more than five minutes.
29. Would you be so kind as to arrange for the book to be sent back to me?
30. We broke down the door and found poor old Mrs Allison lying on the carpet.