| 单词 | must |
| 释义 | must 义务阶段1500 全国卷频次：130 /məst; mʌst/ modal v.&n. 必须，应当；必定是 & 必须做的事；不可少的事物 高考真题原句提选：Human beings, I believe, must try to succeed.我相信，人类必须努力才能成功。His father said that the cat must be sick.他的父亲说，那只猫一定是生病了。They must be cheering for the boys.他们一定是在为孩子们欢呼。He must have begun to work quite early in the morning.他早上一定很早就开始工作了。They also help him understand that people must cooperate and work toward common goals.他们还帮助他明白，人们必须合作，为共同的目标而努力。Managing the family budget must have been a very hard task, but she made it look effortless.管理家庭预算一定是一项非常艰难的任务，但她让它看起来毫不费力。One study found that a cotton bag must be used at least 131 times to be better for the planet than plastic.一项研究发现，一个棉布袋必须至少使用131次才能比塑料袋对地球更好。People must be sensitive to this possibility when they make volunteer activities a must.人们在把志愿者活动作为必修课时，必须对这种可能性保持敏感。Many people agree that a knowledge of English is a must in international trade today. 许多人同意，在今天的国际贸易中，英语知识是必须的。 |
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