Dựa vào từ cho sẵn, viết cầu hoàn chỉnh: If'people/not/ stop/ dumping/ waste/ into/rivers//pollution/increase/
Bài 4. Dựa vào từ cho săn, viết cầu hoàn chỉnh.
1. If'people/not/ stop/ dumping/ waste/ into/rivers//pollution/increase/.
2. If polar/ice caps/ melt/ /huge landmasses/ be/ under/water.
3. If the air/ in/ city/be/polluted/,it/can/cause/ people's/ respiratory/problems.
4. If/smog/be/ frequently/formed/in/ city//it/ cause/ difficulty/in/breathing/ headache/ even/lung
cancer.