问题
I have got a headache –No wonderYou ___in front of that computer too long
A:work
B:are working
C:have been working
D:worked
B:are working
C:have been working
D:worked
正确答案是：
同类题型
Mrs Green has ______ free time than Mr Green. She is busy all day.
More and more people come to visit Mount Huangshan.—That’s true . It has become the of Anhui.
Do you notice the man ______ is sitting under thetree He is our new teacher.
He is the only one of the students who ______a winner of a scholarship for three years.