1. Complete the sentences with “so” or “because”.
1. Fossil fuels cause pollution ... we must look for alternative sources.
2. People like flying cares ... they can avoid traffic fams.
3. Amphibious buses can run on water and land ... we needn't build more roads.
4. Green energy sources are great ... they keep our planet unpolluted.
5. Solar energy is not new to us ... we use it to dry things every day,
6. Plane tickets are cheaper and cheaper ... more and more passengers fly.
Bài Làm:
|
1. so |
2. because |
3. so |
4. because |
5. because |
6. so |