To make sure that he was at home, I called him up . A. at ease B. in general C. by chance D. in advance [解析]选D .考查介词词组辨析.句意为:为了确保他在家.我提前给他打了电话.at ease舒适地, in general总的来说, by chance偶然地, in advance提前.符合句意. 【查看更多】
题目列表(包括答案和解析)
To make sure that he was at home, I called him up ____________ .
A. by chance B. in general C. at ease D in advance
