Đề cương học kì 1 Anh lớp 12 (sách thí điểm) THPT Xuân Đỉnh 2020

Đề cương học kì 1 Anh lớp 12 (sách thí điểm) THPT Xuân Đỉnh 2020 

VIII. Combine the following simple sentences into complex sentences, using the word in bracket

1. We change our consumption habits. We can reduce our carbon footprint. (if)

2. We should use bicycles instead of cars. This will help to reduce exhaust fumes and pollution. (because)

3.Fossil fuels are burned. They emit harmful gas into the environment at the same time. (when)

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