选择对应的句子。①If I feel cold,{#blank#}1{#/blank#} A. I should sit down and have a rest.
②If I have a headache,{#blank#}2{#/blank#} B. I should go to bed early.
③If I'm tired,{#blank#}3{#/blank#} C. I should tell my mother.
④If I feel dizzy,{#blank#}4{#/blank#} D. I should wear more clothes.