小题1: If there were more trees on the earth, there would be l_______ pollution. 小题2: I don’t like eating lemon. It t_______ too sour. 小题3: The injured people were taken to hospital i __________ after the accident. 小题4: Look, the expression on his face s that something bad must have happened to him. 小题5: According to an ancient Chinese legend, the emperor Shen Nong d___________ tea. |