The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out

发布时间：2020-08-16 11:30:17

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

网友回答

(答案→)A. before
B. until
C. as
D. since
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