At least 300 million people are using QQ _________ by Ma Huateng to chat on line.
#45059
A
create
B
creates
C
creating
D
created
推荐题目
Sixteen-year-olds should _________their ears pierced.
#44743
A
be allowed to get
B
be allow to get
C
allow to get
D
be allowed getting
The opening ceremony (开幕式) of the 2014 World Cup        in Brazil on June 12.
#44396
A
will take place
B
was taken place
C
will hold
D
was held