volunteers are working for 2014 International Horticulture Exposition in Qingdao.
#51010
A
Thousands of
B
Two thousands
C
Thousand
D
Two thousands of
推荐题目
I’m ______ years old and it’s my ______ birthday today.
#51672
A
fifteen, fifteen
B
fifteen, fifteenth
C
fifteenth, fifteen
D
fifteenth, fifteenth
About _____ of the world population is Chinese. 
#51889
A
one third
B
one fourth
C
one fifth
D
one sixth
My aunt has a______son.
#51700
A
four-years old
B
four-year-old
C
fourth-year-old
D
four-years-old
We are sure the_________Olympic Games in Beijing next year will be one of_________games in history.
#51903
A
twenty-nine; more successful
B
twenty-ninth; more successful
C
twenty-ninth; the most successful
D
twenty-nine; the most successful