We won’t go back home ___ the rain stops. We now have to stay in the classroom.
#40343
A
when
B
until
C
before
D
and
推荐题目
---How many girls are there in your class?   ---______ them_____ over twenty.
#36875
A
A number of, are
B
The number of, are
C
A number of, is
D
The number of, is
-______do you go swimming?-Twice a week.        
#42576
A
How often
B
How far
C
How soon
D
How long