________people listened to the concert.
#51188
A
Hundred of
B
Hundreds of
C
Hundred
D
Hundreds
推荐题目
The swimming pool is ________.
#51768
A
50-metre long
B
50 metres long
C
long 50 metres
D
long 50-metre
The earthquake killed __________ and animals.
#51810
A
thousands of people
B
thousand people
C
thousand of people
D
thousands of peoples
 — When did you start to collect stamps?— I got my ______ stamp when I was ______ years old. 
#51450
A
one, seven
B
one, seventh
C
first, seventh
D
first, seven
Look ! _________ students are doing morning exercises on the playground .
#51428
A
hundreds of
B
hundred of
C
hundred
D
hundreds