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have visitedC.visitedD.will visit【答案】 B 【解析】【分析】句意:自兩年前開始,格林一家參觀了許多名勝。since引出的時(shí)間狀語從句,強(qiáng)調(diào)主句謂語從過去某時(shí)一直延續(xù)到現(xiàn)在,主句用現(xiàn)在完成時(shí)態(tài),the Greens格林一家,表示復(fù)數(shù)含義,作主語,謂語用復(fù)數(shù)形式。故選B。13.It has been three years since I ______ a teacher.A.beeB.becameC.beingD.to bee【答案】 B 【解析】【分析】題意:現(xiàn)在完成時(shí)里,since從句里動(dòng)詞應(yīng)用一般過去時(shí)。故選B。【點(diǎn)評(píng)】考查現(xiàn)在完成時(shí)和表示一段時(shí)間的時(shí)間狀語的連用用法,理解題意,即可得出答案。14.Mike used to be a top student, but he behind since he lost himself in puter games.A.fellB.has fallenC.wasD.has been【答案】 D 【解析】【分析】句意為“Mike過去是尖子生,但自從迷上電子游戲以來成績落后了”。由since可知but后的主句用現(xiàn)在完成時(shí),瞬間動(dòng)詞fall不能和since引導(dǎo)的時(shí)間狀語從句連用,故用延續(xù)性動(dòng)詞be。故選D?!军c(diǎn)評(píng)】本題考查現(xiàn)在完成時(shí)中非延續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞的轉(zhuǎn)換。15.A number of tourists _____ Yangzhou many times because such a beautiful city. A.have been toB.has been toC.has gone toD.have gone to【答案】 A 【解析】【分析】句意:很多游客多次去過揚(yáng)州,因?yàn)樗侨绱嗣利惖囊粋€(gè)城市。have been to,表示去過某個(gè)地方,have gone to,表示去了某地,還沒回來。many times是很多次,游客們應(yīng)該是去過很多次,用have/has been to+地點(diǎn),由于主語是復(fù)數(shù),助動(dòng)詞用have,故選A?!军c(diǎn)評(píng)】考查現(xiàn)在完成時(shí),注意have been to表示去過回來了,have gone to表示去了還沒回來。16.— have you had the mobile phone?—Since 2015. A.How oftenB.How longC.How soonD.How many【答案】B 【解析】【分析】句意:你什么時(shí)候有的手機(jī)?自從2015年。詢問的是從什么時(shí)候開始,也就是時(shí)間長度。故B選項(xiàng)正確?!军c(diǎn)評(píng)】考查特殊疑問句的辨析。17.The old city_______ a lot since ten years ago.A.changedB.changesC.changeD.has changed【答案】 D 【解析】【分析】這個(gè)老城市已經(jīng)發(fā)生了太多改變自從十年前。已經(jīng)發(fā)生的用完成時(shí)。【點(diǎn)評(píng)】考查時(shí)態(tài)的用法。18. What a nice watch! How long you it? For just two weeks.A.will。 buy1