Large quantities of natural resources ________ in 100 years or so.

I won’t be able to understand what you say, you speak too quickly.

I often use micro-blog to communicate with others.– You are so smart! Can you please tell me _____

The present situation is very complex,so I think it will take me some time to________its reality.[]

Are all the names of your class _____ here? — Yes, all ____ mine. [ ]