—I'd like to have some lunch but I have to stay here doing my work.—___________ what you want and I can get it for you.

___ it with me and I’ll see what I can do.

_____ through this book and tell me what you think of it. 

 That hazy（雾霾）weather has hit 104 cities in middle-east China lately makes citizens well aware of ______a terrible problem China is faced with.

 Please _________ because this is a reading room.