Please make sure that this room is ____ when the visitors arrive.
— Have you heard me? — I’m sorry, I youto me.
You had better book rooms at the hotel in advance you should find no room on your arrival.
There are lots of problems in your hometown, but we're happy to see many of them________.
Everyone is different and that is ________ makes our world so much better.
is recorded in the history book , Diaoyu Island has belonged to China since ancient times.