There are _____ boys on the playground. 
#51480
A
for
B
forteen
C
fourty
D
forty
推荐题目
--It’s said that __________ people died from car accidents in 2011. --How terrible! 
#51646
A
10 thousands
B
thousand of
C
10 thousands of
D
thousands of
_____ soldiers and doctors have been in Wenchuan to help the people there.
#51747
A
Thousand of
B
Two thousands
C
Thousands of
D
Many thousands of
It took him ____ to find the key to the drawer. 
#51068
A
one and half hours
B
one and a half hours
C
one and a half hour
D
one and half hour
________people listened to the concert.
#51188
A
Hundred of
B
Hundreds of
C
Hundred
D
Hundreds