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Grammar? He introduced me because I was new.? Since you are going, I will go, too.? As it is raining, you’d better take a taxi.引 導(dǎo)詞 意義 位置because 因?yàn)?強(qiáng)調(diào)未知原因后接表示直接原因的句子多后置so 所以 強(qiáng)調(diào)結(jié)果后接表示結(jié)果的句子多后置since 既然 表示已知顯然的理由后接表示知道的原因的句子常前置as 由于 常前置? 我們用 “because”來(lái)引導(dǎo)原因狀語(yǔ)從句,這個(gè)從句是表示句中動(dòng)作發(fā)生的原因。如:? I didn’t go to school yesterday because I was ill. 我昨天沒(méi)去上學(xué),因?yàn)槲疑×恕? Because it was raining, we had to stay at home. 因?yàn)橄掠?,我們只好待在家里? Because表示動(dòng)詞發(fā)生的直接原因,語(yǔ)氣很強(qiáng),常用來(lái)回答 why引導(dǎo)的疑問(wèn)句,如:? ——Why didn’t he go with us today?? ——Because he was too tired.? 我們也可以用 since和 as引導(dǎo)原因狀語(yǔ)從句,只不過(guò)這兩個(gè)詞的語(yǔ)氣比 because要弱, since和 as的用法大體相同,表示附帶說(shuō)明的 “大家已知的原因 ”, since的意思是 “既然、由于、因?yàn)?”,表示已知的、顯然的理由,較正式,多位于句首。? 如: Since you are free, you’d better tidy your room. 既然你有空,你最好打掃一下你的房間。? As/Since it is raining, you’d better take a ,你最好乘出租車(chē)。? I didn’t go to school yesterday I was ill.? ________ everyone is here ,let’s begin the meeting. ? I can’t see the words ________ I have poor eyesight.becauseSinceas______ her daughter hadn’t e back, _____ she looked worried.。 / B. Because。 soC. Though。 but D. Though。 /Attention: We never use the conjunction so in sentences with because.√Writing你有跳舞的天賦,請(qǐng)根據(jù)下面提供的信息寫(xiě)一篇有關(guān)你的愛(ài)好的文章。I have a real gift for…I became interested in/showed an interested in … when I was …I once wanted to give up … because … Since then, I have been crazy about…I enjoy myself … every time … I like dancing very much. I once won the first place in a dancing petition. My friends say that I have a gift for dancing. I became interested in dancing when I was eight. I almost practiced dancing every day. However, I wanted to give it up, because it was too boring to practice dancing. One day, Yang li ping , a great dancer, attracted me. I lost myself in her beautiful dance. I made up my mind to learn it well. Since then I have been crazy about dancing. I love it so much that I always enjoy myself every time I dance