Ex1: Điền since hoặc for vào chỗ trống :
1 : .... I joined the company , I have been to over twenty countries
2 : They have been friends ......... five months
3 : He has wachted TV .............. three hours
4 : I have wanted that book ....... months
5 : I haven't seen you ........... christmas
6 : I haven't eciten any meat ............... over a year
Ex2 : Chia V sử dingj thì qua khứ đơn và thì hiện tại hoàn thành :
1 : Susan come quickly! The milk ( boil )........ over and ( make ) ......... an awful mess of the kitchen
Ex1
1) Since I joined the company, I have been to over twenty countries
2) They have been friends for five months
3) He has watched TV for three hours
4) I have wanted that book for months
5) I haven't seen you since Chrismast
6) I haven't eaten any meat for over a year
Ex2
1) Susan come quickly! The milk is boiling over and making an awful mess of the kitchen.
*Câu 4 Ex1 hình như đề bạn nhập bị thiếu thì phải? Mình chỉ thắc mắc vậy thôi! ^^