The beautiful song ________ me of those happy old days we had spent together.
—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.
To ________ it simply, if you don't apologize to him,you will lose this friend.