Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
– 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.
–What are you busy with these days?-- I ______ study for the coming English test. You know, I’m not good at it.
– _______do you know our country will build the space station?-- I’m not sure. Maybe in six years or seven.
-- When did your mother know about your score?-- She knew nothing _____ I told her.