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A.B.C.用動詞不定式作目的狀語,因此用to learn,故選C。注意動詞不定式的用法。to helphelphelpedhelps【答案】 A 【解析】【分析】句意:政府正在建立自然公園來幫助保護熊貓。此句要用動詞的非謂語形式,其中常用動詞不定式來作目的狀語,故選A。21.He took off his expensive watch ____ the fact that he was rich. A.hidC.hidden【答案】 A 【解析】【分析】句意:他摘下昂貴的手表以掩蓋自己富有的事實?!军c評】考查動詞不定式的基本用法。22.—Why were you so angry with your daughter? —She was busy _______and taking selfies(自拍) when I was talking to her.A.B.C.D.be busy doing,固定搭配,忙于做某事,故此處是動名詞 , 故選A。23.——Did the book give the ___________ you needed?——Yes. But ____________ it, I had to read the whole book. A. findinformation。C. foundmessage。但是,我不得不閱讀整本書,來找我所需要的信息。 message為可數(shù)名詞,此處正確形式應為復數(shù)形式,要用messages,選項中沒有,因此用不可數(shù)名詞information。故選B【點評】考查名詞與動詞的用法。t wait to watchB.watchingD.根據(jù)“短語can39?!军c評】考查固定搭配wait to do。makeB.making【答案】 B 【解析】【分析】句意:作為學生,我們應該盡我們所能使我們的學校變得美麗。 【點評】考查動詞不定式的基本用法。26.Because of the heavy rain, our school has to put off ________ the sports meeting. A.haveC.to having【答案】 A 【解析】【分析】句意:因為大雨,我們學校不得不推遲召開運動會?!军c評】考查非謂語動詞,以及。27.________it was to see so many elephants ________ along the street!A. marchingWhat a great fun。What great fun。D.How great a fun。【點評】考查感嘆句和非謂語動詞。m planning ____ the weekend with my grandparents, Mom.—Oh, don39。to spend, forgetB.to spend, remember【答案】A 【解析】【分析】這題考查動詞的用法,第一空plan后面接不定式,第二空是否定祈使句,用don39?!?,別忘了給他們帶些好吃的。m looking forward to hearB.heard【答案】 B 【解析】【分析】句意:我期待著收到你的來信。幫選B。30.I look forward _____ you soon. A.seeingC.to seeing【答案】D 【解析】【分析】句意:我盼望盡快見到你。【點評】考查固定搭配,注意look forward to中的to是介詞,后