45. How many glasses have you broken so far?
=> So far, I haven't broken one of these glasses
46. Which shirt will you choose?
=> I will choose the pink shirt.
47. Who will clean this room?
=> Usually my mother will clean my room.
48. Tom hasn't done his homework yet.
=> Right
49. Who donated the money?
=> I don't know.
50. By this afternoon they had washed 100 cars.
=> I think so too.
Mình làm sai thì cho mình xin lỗi.Mod đừng xoá của em nha