单项选择题
As soon as the boy was able to earn his own living he ______ his parents’ strict rules.
单项选择题 If you don’t ______ the children properly, Mr. Chiver, they’ll just run riot.
单项选择题 We should ______ our energy and youth to the development of our country.
单项选择题 If you ______ something, such as food or drink, you reduce its quality or make it weaker, for example by adding water to it.
