14.Forests fire are often caused by broken glasses or by cigarettes end which the people carelessly throw away.
Forest fires are often caused by broken glasses or by cigarette ends which the people carelessly throw away.
Forest fires are often caused by broken glasses or by cigarette ends which the people carelessly throw away.
英语语法与写作
章节列表
Unit 1 Basic parts of a sentence (I)30Unit 2 Basic parts of a sentence (II)15Unit 3 Modifiers: Adjectives20Unit 4 Modifiers: Adverbs39Unit 5 Modifiers: Appositives10Unit 6 Conjunctions15Unit 7 Prepositional phrases20Unit 8 Participial phrases15Unit 9 Infinitive phrases15Unit 10 Gerund and absolute phrases10Unit 11 Adjective clauses15Unit 12 Adverb clauses15Unit 13 Noun clauses: Subject clauses and predictive clauses15Unit 14 Noun clauses: Object clauses and appositive clauses15Unit 15 Sentences10期末考45