Boys, don’t lose____ in playing Angry Birds. It is bad for your eyes to play computer games for a long time.

The students are looking forward to having an opportunity ________ society for real-life experience.

There is still ________ water in the bottle．It’s enough for both of us．

Lily and Amy often leave _____ school_____half past seven.[ ]

If the traffic light is red. You can’t walk _____ the road. [ ]