问题

The clock was striking twelve ______ down the street.
A:because I walked
B:as I walked
C:since I was walking
D:while I was walking
B:as I walked
C:since I was walking
D:while I was walking
正确答案是:
同类题型
Who is _____ woman in front of the classroom—The one with ____umbrella She is our Chinese teacher.
Teenagers like reading the books ________ are written by Guo Jingming.
We can’t take part in the competition ________ we get our student card.
_________ clever boy your brother is!—So he is. He is_________ in my family.