Our company will move to a tall building _______ we worked two years ago.
You should be more careful, _______ you might meet with some accident.
One _______ fact is _______ Crystal always keeps a toothbrush in his pocket for good luck when he is the host of the Academy Awards.
. The UN is _______ countries that want to increase peace.
--- I will go to your place at 3:00 tomorrow afternoon. --- I’m sorry, but I ______ to Beijing by then.
If you ______ the chat room ten minutes ago, you _______ what we were talking about.