题目内容
—Did you catch the first subway this morning?
—No,I didn't.It had started moving______I could get on it.
A.since B.after C.as soon as D.before
练习册系列答案
相关题目
题目内容
—Did you catch the first subway this morning?
—No,I didn't.It had started moving______I could get on it.
A.since B.after C.as soon as D.before