Viết lại các câu sau ko đổi nghĩa :
1. We started learning English when we were in grade 3.
=) We .............since...............
2. How long is the road ?
=) What ...................
3. There is noise pollution. People and animals have hearing problems
=) If.................................
1. We started learning English when we were in grade 3.
=) We ..have learnt English ...........since.. we were in grade 3..............
2. How long is the road ?
=) What ....is the length of the road?...............
3. There is noise pollution. People and animals have hearing problems
=) If.......there isn't noise pollution, ... people and animals wonn't have hearing problems.......................
we have learned E since we ...
What is the length of the road
If there weren't noise pollution,people and animals wouldn't have...