问题
选择题
An awful accident __________, however, occur the other day.
A.does
B.did
C.has to
D.had to
答案
答案:B
题目分析:句意:然而,几天前确实发生了一件可怕的事情。这里是强调谓语,用助动词+动词原形,因为时间是the other day“几天前”,用一般过去式,所以用助动词did,选B。
An awful accident __________, however, occur the other day.
A.does
B.did
C.has to
D.had to
答案:B
题目分析:句意:然而,几天前确实发生了一件可怕的事情。这里是强调谓语,用助动词+动词原形,因为时间是the other day“几天前”,用一般过去式,所以用助动词did,选B。