【題目】Life us only once. Therefore, we should make full use of every minute and try to do something useful.

【題目】________some people criticize graffiti for being ugly and destructive, those graffiti lovers still see it as real art.

【題目】He messed the project up, but he behaved as if nothing __________.

【題目】You can't just selling clothes with a long face, which will our customers.

【題目】What surprised me was not what he said but _______ he said it.

【題目】Considerable evidence has been found over the years ________lack of exercise is connected with increased risk of cancer.

【題目】The river ________ at least 50 meters in width, but the ten-year-old boy can swim across it within minutes.

【題目】 a great many people like the convenience of using WeChat to communicate with each other, too many junk messages on it may make them bored.

【題目】We should try every means to protect the area, for it is many wild animals.

【題目】Many people fixed their eyes on me when I made that silly mistake, made me rather embarrassed.