单项选择题
What subjects are you studying?（）
A.Yes, I‘m studying historyB.I‘m studying nowC.I‘m studying philosophyD.I‘m doing my homework
单项选择题 What kind of TV program do you like best? （）
单项选择题 The lecture given by Professor Smith was really interesting.（）
单项选择题 Will you please turn down the TV?（）
