单项选择题
No matter how old you are, when you go out into the world, it（）to hold hands and stick together.
A.would better B.had better C.be better D.is better
单项选择题 （）interesting story it is!
单项选择题 （）he had not hurt his leg,John would have won the race.
单项选择题 Have you watered the flower? I don’t think this kind of flower need（）every day.
