Nbine the sentences in each pair mto a new sentence that shows a causeleffect rela wonds in brackets

----- Nội dung dịch tự động từ ảnh -----
nbine the sentences in each pair mto a new sentence that shows a causeleffect rela
wonds in brackets.( LOpt)
Many rivers and lakes are poisoned. Factories produce waste and pour it into rivers and lakes (
We can't see the stars at night. There is too much light pollution. (due to)
3. Plastic bags are a major source of waste. We should not throw plastic bags everywhere (so).
4 Houschalds dump wate into the river. It is pelluted. (so)
The food is contaminated. People's health is poor. (results ia)
6 Factories release fumes. The air breathe gets polluted. (due to)
fsm (+)S + had + V-ed (pp)/ VasQT +0.
()S + had + not + V- ed (ppy Vangr +0.
(?) Had +8+V- ed (ppy Vingr +0.
eg We had lived in Hfue before 1975.
Afler the children had finished their homework, they went to bed.
-Before the children wnt to bed, they had finished their homework
- Diễu tả một hành độag sảy a và đã hoàn thành trong quả khứ.
(- Trang cáu có hai hảnh đồng thì hảnh động xảy na rnớc dùng ở quả khế hoàn thánh cả !
thi qui khá đơn )
1 The train (stat).
2 By the time he left the house, the house ( collapse)
1. The film already (begin)
4. I (find) my pen afte I (buy )a new one.
before we arived at the station.
-when we got to the cisema.