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C. otherwise___ Tom ___ Jack can swim very well. They are both bad swimmers.A. Both… and B. both… and B. Both… and C. andMy experiment seems to have been successful, ___ I am not satisfied.A. yetYou are right, therefore we should support you. 你是對(duì)的,所以我們應(yīng)當(dāng)支持你。8. as well as表示“也、而且、和”,連接并列主語時(shí),謂語和最前面的那一個(gè)主語在人稱和數(shù)上保持一致。My sister is expecting me,so I must be off now. 姐姐在等我,因此我得走了。She isn’t either a student or a teacher. 她即不是學(xué)生、也不是教師。 either…or…連接兩個(gè)并列主語時(shí),謂語動(dòng)詞靠近哪個(gè)主語就與哪個(gè)主語保持 “人稱”和 “數(shù)”的一致,即就近原則。 不是…就是…;要么…要么…;whether… or…不管…還是…等。:but 然而,但是,可是,; however無論如何,不管怎樣;yet然而, 但是 ;still仍然,盡管如此,然而;while然而等。4)not… not… 小心點(diǎn),你就會(huì)少犯錯(cuò)誤。 Mary and Lucy like music very much. 瑪麗和露茜喜歡音樂。如1)and:和,并且A:基本用法:“and”表示 “和”、“并且” “而且”,“但”,表示動(dòng)作的先后、因果、轉(zhuǎn)折、強(qiáng)化語義等。The weather bees colder and colder. 天氣越變?cè)嚼洹oth my father and my mother aren’t 。 不…也不… (語氣比neither… nor… 弱)He warned me not to be late, not allowed to work, he got very angry. 5)not only…but also…:不但…而且…not only…but also…連接兩個(gè)主語后的謂語動(dòng)詞也遵循就近原則。She felt ill. She went to work, however, and tried to concentrate. 她病了。d better put on your sweater, for it39。例如:My mother as well as I is interested in ,我也對(duì)音樂感興趣。 We can39。 D. or2. D. for3. D. but4. D. Neither… nor5.You may ___ stay