people came to the Great Wall during May Day Holiday.  
#51416
A
Million
B
Millions of
C
Million of
D
Ten millions
推荐题目
People usually think lions are _____ scary.
#51742
A
kinds of
B
kind
C
a kind of
D
kind of
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 students this year were born in the 1990s.
#51004
A
three five
B
three fifths
C
third fifths
D
third fifth
There are about 46 ______ people in this country.
#51775
A
million
B
millions
C
million of
D
millions of