雅思中不能忘記的表達(dá)
本文檔由 嘟子虎 分享于2012-03-17 08:56
連詞如but, and,例：In the past, populations were partly regulated by frequent war and widespread disease, but in recent years the effects of those factors have been diminished. (并列句中的連詞)段落開(kāi)始： But how should it be achieved? ( 連詞放句首)