— How do you like the popular TV programme The Voice of China in Zhejiang TV Station? —Ha ha! That’s my favourite. I’ve never seen one.
He didn’t go to school yesterday _______ he was ill.
Computers ________widely in our daily life.
Do you know ___________?
I ________ when the UFO landed.
I have two brothers. One is a teacher, _________ is a doctor.