Question

【题目】—You must give up, Uncle Liu.
—You're right. It'sto my health.
A.smoke; harm
B.smoking; harm
C.smoking; harmful
D.smokes; harms

Answer 1

【答案】C
【解析】句意：—你必须戒烟，刘叔叔。—你是对的。吸烟对我们的健康是有害的。Give up doing sth（放弃做某事）；be harmful to---(对------有害)。故选C。