should
- We should never ________till tomorrow what we can do today .
- You should really _______ smoking. It’s bad for your health.
- We should _____ the power when our TV or computer is not used.
- What should we do to prevent H7N9 bird flu? —We must from crowded places.
- Students should get a good habit of studying, you can’t do any other things while you’re doing homework. So please ___________ your MP4.
- What should I do when the earthquake happens, Dad?—First of all, it’s important to _________ and hide yourself in the corners of the room.
- Everyone should make a contribution the environment.
- You should the new words that you don’t know how to spell.
- We should think of others if we want to ________them.
- Teenagers _______ allowed to drive in the street．