--- Hurry up. The bus is coming. --- Oh,
题型:选择题
问题:
--- Hurry up. The bus is coming.
--- Oh, no. We mustn’t cross the street the traffic lights are green.
A.until
B.since
C.while
D.after
--- Hurry up. The bus is coming.
--- Oh, no. We mustn’t cross the street the traffic lights are green.
A.until
B.since
C.while
D.after