-Hi, Bruce. Here’s a letter for you.-Thanks. I wonder_________.
There is ______ wrong with this computer. It doesn’t work.
Parents often ask their children _____ their Internet friends because they may be in danger.
Look left and right before you ________the road.
Some of the students are nearsighted______they spend too much time watching TV or playing online games.
He is young,but he can do something________.