题目

Richard offered to helpdo the housework ____ room and broad here in the comingweek.
A.by means of B.in exchange for C.in return for D.in charge of
为什么选B而不选C ,其他选项最好也说一下排除的理由.

提问时间：2021-03-25

答案

C 的意思是：做为回报,作为答谢.eg.：In return for Chinese lessons ,Joe teaches me English.B 的意思是：作为交换eg.：I gave her a watch in exchange for a skirt.A.by means of 意思：用…...