------You went to the“Bird’s Nest”last month, didn’t you?------Yes. That was the second time I ________ to Beijing National Stadium.
What are you doing out of bed, Tom? You’re ________to be asleep.
In my opinion, learning is lifelong and the more knowledge you get, ________ .
—Ann is in hospital. — Oh, really? I ______ know. I _______ go and visit her.
—What are you going to do this weekend? — . If time permits, I may go to Shanghai with my friends.
Little Johnny felt the bag, wondering what it ________ .