With online course Crazy English has over 20 million students all over China __________ the class through the Internet .
#98168
A
attend
B
attended
C
attending
D
to be attending
推荐题目
_______ in 1724, this business company is the oldest in my hometown.
#92745
A
Founded
B
Being founded
C
To found
D
Founding
Please tell me the way you thought of _______ to stop smoking.
#90634
A
make up your mind
B
to make up your mind
C
making up your mind
D
to making up your mind
Look around when _____ the street. 
#98251
A
across
B
crossing
C
crossed
D
to be crossing