All of us want to do more work with ______ time and ______ workers.
--–Which of the two T-shirts will you take?---I’ll take _______. One is for my brother, the other is for myself.
What can be used to put out the fire in the following pictures?
---What should I do for the health of my teeth, doctor?--- Well, it’s best to ______ your teeth before you go to bed.
---_____ can we protect the environment in our daily lives?--- As for me, I think we are supposed to use both sides of paper and try not to use plastic bags.
--- Hey, Eric! What has happened?--- The lift is broken again! You know, I live on the _________ floor.