There are many _______ playing on the playground. 
#29829
A
child
B
children
C
man teachers
D
sheeps
推荐题目
TV set is one of       in the world.
#28285
A
most useful invention
B
the most helpful inventions
C
more helpful inventions
D
less useful invention
 __________ is spoken the most widely in the world.
#29887
A
Chinese
B
English
C
French
D
Russian