--You don't look so well, Mary. What's the matter with you? --Why?___________.
Tom raised his hands as if ______ something.
When you ______with the dictionary, don’t forget to put it back on my desk, will you?
----Many online games are full of violence, which do harm to the development of the children. ----And that’s _______ my concern lies.
Jason is a man of great determination and he will keep moving forward____ the result.
Liuxiang earned the respect from the whole world as he hopped down the track to the finishing line, ____the last hurdle.