题干
Don't pretend ________ hard. I know that you are reading a magazine at the same time.
A：to work
B：working
C：to be working
D：to have worked
答案(点此获取答案解析）
C
Don't pretend ________ hard. I know that you are reading a magazine at the same time.
A：to work
B：working
C：to be working
D：to have worked
