Parents always try to (提供) a comfortable environment for their children.
你能告诉我你在门后面找什么吗?
多么精彩的一部4D电影啊!
I hear your grandpa has got an eye problem. Is it serious?
Yes. He can't see anything now. He has gone .
Have you ever been to the Summer Palace?
Yes. I have visited it many times 2009.
Tickets for today?
Sorry, we've got left, but we have a few for tomorrow.