Do you have any plans for this weekend?— I’m not sure. I _____ go climbing Mount Baoshi.

It is only when you get close to the National Entrance Exam _______fully realize how much time you have wasted.

In China we walk of the street (街道). [ ]

Each year __________ fishes are killed by the polluted water and many people are made sick by the polluted air .—-So we should do something to stop it .

I don’t know _______. —You can ring him up to ask.