Can you tell me _____ the birdwatchers in Zhalong Nature Reserve? I only know that _____ of them are from our school.
#51749
A
the number of; one- thirds
B
a number of; one-third
C
the number of; one-third
D
a number of; two-third
推荐题目
The earth is       years old.
#51891
A
four thousands six hundreds
B
four thousand six hundred
C
four thousand and six hundred million
D
four thousand six hundred millions
There're            students in Grade7. 
#51655
A
three hundreds
B
three hundreds of
C
three hundreds'
D
hundreds of