Learn how to use when as a question word, a conjunction and a relative pronoun in English. Find out the …
构词法、语法尤其精通。. when能引导三大从句，如何区分？. 一、when引导状语从句：. 要点：when及所引导从句代表一个时 …
LEON强基赋能 2020-04-28 20:43. 在句子中起时间状语作用的句子称为时间状语从句。. 时间状语从句可以放在句首、句中 …
Learn how to use the to-infinitive after verbs, adjectives, nouns and to express purpose. Find examples, exercises and …
When we ask teens to choose a hero, they usually select an older family member rather than a remote public …
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