I like getting up very early in summer. The morning air is so good _________.
________ the right decisions ________ the future is probably the most important things we'll ever do in our lives.
—What do you think made Celia so happy? —________a prize in the recent competition.
The wrong you have done to him is terrible,________, in my opinion,you should apologize to him.
Those who have ________ floods and sandstorms know the importance of environmental protection.
You'd better ________ some money for special use.