【正文】
. will the snowstorm last? About two hours. A. How soon B. How long C. How often D. How far ( )3. Five days later, Jim will sing and dance well. A. can B. be able to C. is able to ( )4. It39。開放 __________________________________________________ ________________________________________________ ______________________________________________ __________________________________________________ 【 學習過程 】 Step1. Presentation We use because to introduce clauses of reason. Its tone is strong Step2. Practice Daniel has more questions about Tan Dun. He searched the Inter and made some notes. Look at his notes and answer his questions. Use because to introduce the reasons. We never use the conjunction so in sentences with because. Step3. Presentation Since and as are also used to give reasons for something. Usually the reasons are already known. Their tone is weaker than because. Since he had no musical instruments then, he made music with mon objects like stones and paper. As he likes the sounds of nature, Tan uses them a lot in his music. Step4. Practice There is going to be an art festival at Sunshine Middle School. Help Amy make sentences with since or as. 1 Daniel decided to play the famous Chinese piece Liang Zhu. He is good at playing the violin. Daniel decided to play the popular piece Liang Zhu since/as he is good at playing the violin. 2 Kitty has to practise hard these days. She will dance at the song and dance show. 3 Sandy will