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sat down and talked about something. (對) They started to dance and sing. (對)I saw two men sitting behind and whispering there.解析: 第一句: and 連接兩個并列的謂語,所以 talk 應(yīng)改為 talked。 并列連詞引導(dǎo)兩個并列的句子。如:and, but, or, nor, so, therefore, yet, however, for, hence, as well as, both…and, not only…but also, either…or, neither…nor, (and)then等等。初中英語中連詞的用法大全連詞是一種虛詞,它不能獨立擔任句子成分而只起連接詞與詞,短語與短語以及句與句的作用。 第二句:and 連接兩個并列的動詞不定式,第二個不定式往往省略to,因此sang 應(yīng)改為 sing。ll get the chance. = If you make up your mind, yo