Henry,____ Mary and Tom, is coming to China for a visit. Which is wrong?
It was so bright outdoors that we could see clearly what was happening through the curtains ________ before the window.
—— Hey,what’s up ! —— Excuse me for breaking in, _____ I really have some news for you.
The last thirty years _________ the quick development in almost every field in China.
A good friend is a person who you can _______ in your hour of need.
______ is widely acknowledged that all mankind is created ______.