1. We have been living in France for a month.
2. My uncle has been smoking since he was a child.
3. Switch the TV off! You have been watching it for three hours.
4. How far is it to the campsite?We have been driving since nine
this morning.
5. Jane has been practising playing the same piece of music
 since yesterday.

`~rai~`

\(\text{1.We have been living in France for a month.}\\\text{2.My uncle has been smoking since he was a child.}\\\text{3.Switch the TV off!You have been watching it for three hours.}\\\text{4.How far is it to the campsite?We have been driving since nine}\\\text{this morning.}\\\text{5.Jane has been practising playing the same piece of music}\\\text{ since yesterday.}\\\text{Giải thích:for+khoảng thời gian;since+mốc thời gian/mệnh đề.}\)