—— Hurry up. The bus is coming! —— Oh, no, we mustn’t cross the street ______ the traffic lights are green.
#55778
A
after
B
since
C
when
D
until
推荐题目
---How about going out for a walk with us? ---I wish I could, I have to finish my homework first.
#57090
A
so
B
and
C
but
D
or
What a nice day! You are not busy today. ______ go to the park with Sam?
#55636
A
What about
B
Why don’t
C
Let’s
D
Why not
