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
There are ______________ birds there in the sky.    
#51475
A
Million of
B
five millions of
C
millions of
D
five millions
 –Which is the smallest number of the four?--________.
#50889
A
Two thirds
B
A half
C
A quarter
D
Three quarters
I have         classes today .         class is P.E.
#51412
A
eight , English
B
eight , The eighth
C
eighth , The eighth
D
eighth , English
---How long have you been running ?  ---Since ______ .
#51857
A
two hours
B
two hours ago
C
I am ten years old
D
for two hours