1 . Fill in the blank with " for " or " since "
1. It has been raining ..since....... lunchtime
2. My boss will go away .......for.......... the next ten days
3. I'm staying in England .....for.... a year
4. She has lived in London ..since...... 1985
5. Please hurry up ! We have been waiting ...for........ an hour
-since+ mốc thời gian ( 8 o'clock,...)
-for+ khoảng thời gian (1h, 2h, two days,...)
Chúc bạn học tốt
Xin hay nhất!!