Put each verb in brackets into the correct tense 1 when pollution mixes with rain, it....(make) acid rain 2 if people pollute the sea, fish....(die) 3 when ice gets warm, it.....(melt) 4 if i have time, i....(come) 5 if we keep cutting down trees, forests.....(disappear) 6 if i were you, i.....(help) thêm 7 if the company......(recycle) their paper,they'd help the environment 8 if i were you,i.....(use) the leftovers to make sandwiches. 9 if you.... (buy) fluorescent light bulbs, you would save energy. 10 if i had time, i ....(join) the group.

Các câu hỏi liên quan