1.He’s an active student. If he (be) ____________ here today, he would arrange some exciting activities for the meeting. 2.If we recycle used paper, w

1.He’s an active student. If he (be) ____________ here today, he would arrange some exciting activities for the meeting. 2.If we recycle used paper, we (save) __________________ money and labour. 3.We (not eat) ____________________ vegetables if they are poisonous and inedible. 4.If solar energy is used widely in the future, the environment (be) _________ protected. … Đọc tiếp