_________ 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
Elvis Presley has sold more than one______ records all his life.
#51613
A
billion
B
billion of
C
billions of
D
billions
Women’s Day is on            of March.
#51559
A
eighth
B
eight
C
the eight
D
the eighth
Tony is twelve          old, but his sister is only one          old.
#51777
A
year; year
B
years; years
C
years; year
D
year; years
Mr. Green will have ____ holiday very soon.
#51773
A
two months
B
two month
C
a two-month
D
a two-months