问题补充：
【小题1】 If there were more trees on the earth, there would be lless pollution.
【小题2】 I don’t like eating lemon. It ttastes too sour.
【小题3】 The injured people were taken to hospital i immediately after the accident.
【小题4】 Look, the expression on his face slessthat something bad must have happened to him.
【小题5】 According to an ancient Chinese legend, the emperor Shen Nong dsuggests/ shows tea.
答案：
解析： 略
