【正文】 draw a conclusion ? 1. We often use “because” to answer _______ questions. ? 2. We use “because” to introduce clauses of reason which has _______ tone. ? 3. We _______ use “so” in sentences with because. why strongnever Try to draw a conclusion ? 1. We use since/as to give reasons which are already_______. Their tones is _______ than because ? 2. In most cases, _______ are interchangeable(可互換的 ), and we use them in the same way. known w aker since\ as 1. Do afterschool exercises. 2. Preview Integrated skills. 。Unit 5 Art world Grammar Learning goals: By the end of this lesson, you’ll be able to… 1 tell the difference between “because” and “since/as” 2 use “because” and “since/as” properly according to the linguistic context. (語境 ) 9 上 Unit 5 Art world Grammar Giving reasons with “ because” “ since/as” Tan Dun loves the sounds of the rushing water and the blowing wind , to him, the best music es from nature. he had no musical instruments then, he made music with mon objects like stones and paper. he likes the sounds of nature， Tan uses them a lot in his music. because Since As Read and fill in the right conjunctions (連詞 ) 既然 因為 由于 Beforelearning Task One : Use “because” to give reasons Why was Tan Dun chosen to write music for the Beijing Ol