_________ should not be allowed to go out at night. 
#51907
A
Twelve-years-old
B
Twelve-year-olds
C
Twelveyearold
D
Twelveyearsolds
推荐题目
Do you have plenty of friends in your school? 
#51485
A
much
B
a lot
C
lots of
D
a little
_______ children in Africa have little food to eat, and we can help them.
#51644
A
Million
B
A millions
C
Millions of
D
Millions
More than _____children took part in activities last month.
#51867
A
two thirds
B
thirds second
C
second three
D
two third