V/

40.

->We haven't meet each other since at my wedding.

->We last met each other was at my wedding.

42.It's two years since Tom visited his uncle.

43.The last time Hoa wrote to her parents 3 months ago.

VI/

46.The food was too hot for us to eat.

47.The exercise is too difficult for her to do.

48.The suitcase is too heavy for the children to carry it upstairs.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!) 

40: We haven't met each other since my wedding

41: We last met each other was at my wedding

42: It's 2 years since Tom visited his uncle

43: The last time Hoa wrote to her parents was 3 months ago

44: How long haven't your bike been ridden by you?

45: When did you start to ride your bike?

46: The food was too hot for us to eat

47: This exercise is too difficult for her to do

48: This suitcase is too heavy for the children to carry it upstairs