20. Although the manager agree to a more flexible work schedule, he said that it must be posted on the bulletin board so that both management and labor will know what evereyone is assighned to so.
A. he said that it ust be posted on teh bulletin board so that both management and labor will know what everyone is
D. he said that the schedule would have to be posted on the bulletin board so that both managemtn and labor would know what everyone was.
KEY; A, 解释上说因为MUST 和 HAVE TO 的感情色彩不同, 但我觉得这种解释很牵强, WILL KNOW 在这儿实在有些碍眼, 不知道各位怎么看?
The differences between "must" and "have to" are that "have to" is usually to be used with nouns or pronouns of living things, and that "must" cannot be used in past tence.
字典上說: must 助動詞 1.must(必須)作<情態助動詞>,相當於have to,但must強調主觀因素,而強調客觀因素。 I must go now. 我現在必須走。(我自己認為應該走了) have to 助動詞 1.(必須)是<情態助動詞>,後接原形<動詞>,表示客觀條件決定不得不做某事。 I have to go now. (我現在不得不走了)