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rom China.A.has , are B.have ,is C.a(chǎn)re having , are D.is having ,is【答案】B【解析】句意:他們每人都有一本書。他們中每個人都來自中國。第1句中they做主語,用復(fù)數(shù);第二句中each of做主語,謂語動詞用單數(shù)。故選B。25.Taking exercise__a good way__our body strong..A.a(chǎn)re, to keep B.a(chǎn)re,keeping C.is, keeping D.is,to keep【答案】D【解析】句意:做鍛煉是保持身體強壯的一個好方式。第一個中主語是動名詞,這里的be動詞用單數(shù)is。第二個空是動詞不定式做后置定語;to our body strong這里修飾a good way。根據(jù)題意,故選D。26. with his two sons often ________ climb the hill on Sundays.A.go to B.went C.goes to【答案】C【解析】句意:周日格林先生和他的兩個兒子經(jīng)常去爬的山。根據(jù)on Sundays可知此句時態(tài)用一般現(xiàn)在時,with his two sons是介詞短語,故謂語動詞用單數(shù)形式;結(jié)合句意可知選C。27.The boy is very brave.I ________ he ________ the tall tree.A.dare say。 dares to climbB.dare to say。 dare climbingC.dare saying。 dares climbD.dare to say。 dares climbed【答案】A【解析】句意“這個小男孩非常的勇敢,我敢說,他敢爬上那棵高的樹”。dare既可作情態(tài)動詞,也可作實意動詞。做情態(tài)動詞時,無人稱與數(shù)的變化,且空后用動詞原形;做實意動詞時,有人稱和數(shù)的變化,用dare to do sth。第一空排除C。第二空即可寫成dare climb也可寫成dares to climb,故選A。28.—Linda, why _______ you late for school yesterday? —Because I woke up late.A.was B.were C.a(chǎn)re D.is【答案】B【解析】句意:——琳達,你昨天為什么上學(xué)遲到?——因為我醒晚了。根據(jù)時間狀語yesterday可知此處用一般過去時,主語是you,因此謂語用were,故選B。29.About ______ of the land ______ covered with trees and grass.A.three fifths。 are B.three fifths 。 is C.three fifth。 are D.third fifths。 is【答案】B【解析】句意:大約五分之三的陸地被樹木和草所覆蓋。根據(jù)選項可知,第一個空所缺為分數(shù);又知分數(shù)的表達法為分子基數(shù)詞,分母序數(shù)詞,分子大于一,分母加s,所以五分之三的表達方法為three fifths;又根據(jù)分數(shù)作主語時,其后的謂語動詞的單復(fù)數(shù)取決于它所修飾的名詞,即此處的land;又知land意為陸地,土地,為不可數(shù)名詞,所以第二個空缺處應(yīng)用is;故答案選B。30.Peter with his classmates ____ for the bus when the earthquake happened.A.is waiting B.was waiting C.a(chǎn)re waiting D.were waiting【答案】B【解析】【詳解】句意:地震發(fā)生時,彼得和同學(xué)正在等公共汽車。選項A/C是現(xiàn)在進行時;選項B/D是過去進行時。根據(jù)when the earthquake happened. 地震發(fā)生時。彼得和同學(xué)正在等公共汽車。這一動作正在發(fā)生,因此句子Peter with his classmates ____ for the bus應(yīng)該用過去進行時,排除A/C;又因為Peter with his classmates中的with表示伴隨,因此本題的主語是Peter,為單數(shù),所以be動詞用was。故選B。