问题
选择题
— Look! Here comes the bus.
— No hurry. Don't get on it ______ it stops. [ ]
A. until
B. after
C. when
答案
答案:A
— Look! Here comes the bus.
— No hurry. Don't get on it ______ it stops. [ ]
A. until
B. after
C. when
答案:A