o 34. Hoa received her aunt's letter five days ago. 35. There are twelve students in Lien's class having toothache. 36. My brother plays video games twice a week. 37. We rarely eat out because it is far too expensive. 38. Minh usually spends one hour on the computer games. 39. Her son is going to invent a new game. 40. There are thousands of books in the new public library.
