问题
选择题
Crazy English has over 20 million students all over China _____ the class through Internet.
A．attend
B．attended
C．attending
D．are attending
答案
答案：C
考查非谓语动词。Students与attend为主谓关系故用现在分词作定语。句意：疯狂英语在中国有两千万学生通过网络学习课程。