you stepped into the lab with your shoes on? You are supposed to take them off before you enter it.
A. How e
B. How about
C. How dare
D. How long
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(答案→)A. How e
B. How about
C. How dare
D. How long
解析：词义辨析A. How e 为什么 B. How about （用于建议）…怎么样？ C. How dare 怎么胆敢 D. How long 多长 “你为什么穿鞋进实验室？你应该在进入前脱掉鞋子”选Ａ