24. Which of the (underlined) words or phrases is INCORRECT?

I often help my mother. When she's busy, I (look after) my younger brother and make sure he (doesn't) get into trouble. I think all (childs) should help( their) parents.

25. I want…………………. to the store because I need some food.

27. Go to the shop…………… is next to the pharmacy.

28. I have known Alex…………..ten years.

29. An earthquake happened while I………. in my office.

30. I usually ….....……before bedtime.

31. My doctor told me that I should………. more vegetables.

32. Mona and I ………….. up at my house tomorrow.

33. 1'm so…………… I'm going to Australia next week.

34. Bob enjoys……….. games on his PC.

35. Anna watched TV and then……… to a friend on Skype.

36. Paul is a bad roommate. While I clean the apartment on the weekends, he just……. videogames.

37. His breathing problems………….by smoking.

38. Alex………. in the face by his little brother.

39. My friend got a good job after……… from university last year.

40. If I……. a bird, I would fly far away from this cold weather.