The girl had hardly rung the bell _____
题型:选择题
问题:
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
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