When ________ about one of the biggest problems today, many people say that an energy crisis is approaching and is threatening mankind’s survival[ ]

Do you have any money with you — Sorry, I have ________ left.

一___________do your parents take exercise, William—Less than three times a week.

Annie is ____ a humorous girl ______everyone likes talking to her.

Some countries are taking action to occupy the islands of the South China Sea.— Yes, but I think they ____be punished sooner or later.[ ]