The girl had hardly rung the bell ________ the door was opened suddenly,and her friend rushed out to greet her.
A.before | B.until | C.as | D.since |
推荐试卷
The girl had hardly rung the bell ________ the door was opened suddenly,and her friend rushed out to greet her.
A.before | B.until | C.as | D.since |
试题篮
()