The air in Dongying is much worse than that in many other cities. We must do to protect our environment.
– Why did you come to work on foot this morning? -- Because today is the day with no cars, I ______ my car at home.
The rich man always provides the poor girl _______ food and money.
– I didn’t go camping on my vacation. What about you? -- _________.
The teacher spoke loudly _________ make the students hear him clearly.
– Could you please tell me about your travel to Shanghai? -- ____________.