I sometimes think that all his supposed mistakes are made just to make me angry.
A. at dusk
B. on purpose
C. right away
D. as usual
网友回答
A. at dusk
(答案→)B. on purpose
C. right away
D. as usual
解析：四个选项分别表示在黄昏、故意的、立刻和照例，根据题意选B，有时我想他犯的所有错误都是有目的的，就是为了让我发怒。