问题
选择题
If it was not an accident, he must have done it ___________.
A.on purpose
B.for purpose
C.in time
D.with care
答案
答案:A
题目分析:考查词组:A. on purpose故意地,B. for purpose没有这个词组,C. in time及时的,迟早,D. with care关心的,句意:如果这不是一场事故,他一定是故意做的。选A。