--- Are you willing to live on Mars(火星) one day? It must be amazing!--- It sounds exciting, but it still worries me.
To keep healthy, many peopleevery day.
Mary called and asked her husband home at once, because she locked her daughter in the home.
When you at a restaurant, please order just enough food.
It’s very important for us to learn how to learn by .
---Excuse me, could I take this seat? ---Sorry, __________.