—You see, “Food Safety” receives thousands of Internet hits a day. —Yes, it becomes one of the _________ topics(话题) these days.

The shop assistant showed her several mobile phones and she chose _______expensive one.

—Which city is your favorite? —Hangzhou, of course. It’s the _____place that I want to visit. 

--- What do you think of her acting skills?    --- Oh, no one does_______．

There are many beautiful flowers in the world, but in parents’ eyes, their children are the       of all.