About ______ students went to the show yesterday.
–I’m sorry I really can’t work it out.—Try again, Liu Fang. It’s only ____ difficult for you. You can make it.
–It’s in holiday now, no one is at school.--It ____ be very quiet.
—What’s wrong with them?-- They were ____ their daughter being out so late at night.
– This pen is too ____. Can you show me a cheaper one?-- What about the blue one? It’s cheaper.
– Have you seen the film named Avatar(阿凡达)?-- Yes, I _____ it with my friend last weekend.