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
There are lots of plastic bags ____ in the river, ____ it very dirty.
#92547
A
floating; making
B
to float; made
C
being floated; made
D
floated; making
 It’ll do harm to you to lie in bed _____. 
#98248
A
read
B
and reading
C
to read
D
reading
The manager has to get all these washing machines______ to the customers this week.
#97864
A
to deliver
B
be delivered
C
delivered
D
delivering