【正文】 you want to make yourself ______, you should speak clearly and slowly.A．to understand B．understood C．understand D．understanding44．Nowadays, teachers ought to consider ________ more time on teaching research.A．spend B．to spend C．spending D．spent45．My puter doesn’t work. I decide to have it ______.A．repair B．repaired C．to repair D．repairing46．Chinese spacecraft Tianwen I successfully landed on the Martian surface, ________ a historic acplishment in China’s space development.A．marking B．to mark C．marked D．marks47．People are advised to avoid ________ their eyes, nose, and mouth with unwashed hands.A．touch B．touched C．to touch D．touching48．The girl is so helpful that she devoted all her spare time she had ________ others.A．to helping B．helping C．to help D．helped49．Many students admitted ________ games once in a while when they took online courses.A．play B．played C．playing D．to play50．—How much do you know 996 schedule?—Well, it means _____________from 9 am to 9 pm, six days a week.A．working B．worked C．to work D．works51．—Excuse me, can you explain the reason to me again?—Sorry, I know what I want to say but I have difficulty ______ myself clearly.A．express B．to express C．expressing D．to be expressed52．—Do you have any plans for the holiday?—Yes, I’m planning to travel to Jiuzhaigou. I’m looking forward to ________ the colourful lakes and amazing waterfalls.A．see B．seeing C．sees D．saw53．The girl is often seen ____in the art room.A．practice drawing B．practised drawingC．to practice drawing D．practice to draw54．Nobody can imagine what difficulty we had home in the snowstorm.A．to walking B．to walk C．walked D．Walking55．We should encourage our students _____ hard instead of ____ too much time playing games.A．work。 spendC．work。 spending56．The two old friends were ____ busy ____ with each other that they forgot the time.Yes. They hadn’t met for over ten years, so they kept talking the whole night.A．too。 talking C．so。 talking。 filling B．to start。 to fill D．to start。——?jiǎng)e擔(dān)心！試著想想他們的發(fā)音。本句動(dòng)詞know后是賓語從句的簡(jiǎn)略形式：疑問詞+不定式結(jié)構(gòu)。根據(jù)答語Try thinking about their pronunciations.，可知問的是方法，故選B?？疾閯?dòng)詞的過去分詞。此處用have sth. done表示“讓某物被……”,it指代her diary，此處用have it published表示“讓她的日記被出版”。3．C解析：C【詳解】句意：父母總是警告他們的孩子不要使用剪刀，因?yàn)樗鼈兒芪ｋU(xiǎn)。告誡某人做某事：warn sb. to do sth.；根據(jù)后句“because they are dangerous.”可知，應(yīng)該是告誡某人不要做某事，應(yīng)用：warn sb. not to do sth.，動(dòng)詞不定式的否定形式。4．C解析：C【詳解】句意：——中國(guó)女足已經(jīng)預(yù)定了東京奧運(yùn)會(huì)的門票。我希望她們能做得更好。expect sb to do sth期待某人做某事，使用動(dòng)詞不定式作賓語補(bǔ)足語，故選C。考查使役動(dòng)詞的用法。故選C。stop to do “停下來去做某事”，stop doing sth. 意為“停下正在做的事”；由下文的句子Because he is too busy ________ a dying patient in the operation room. 可知，醫(yī)生還沒有吃午飯，因此是問為什么這名醫(yī)生不停下來吃午飯呢？故用動(dòng)詞不定式，排除C/D；be busy doing sth “忙于做某事”。7．A解析：A【詳解】句意：——COVID19爆發(fā)期間，你被要求待在家里嗎？——是的?？疾榉侵^語動(dòng)詞。由“Were you required___________ home”可知，此處應(yīng)為“要求某人待在家里”，故應(yīng)用to stay；由 “the Internet made it possible for many of us________ from home”可知，本句為it作形式賓語，動(dòng)詞不定式作真正賓語的句式，故此處應(yīng)為to work。8．D解析：D【詳解】句意：他們開設(shè)課程來幫助學(xué)生了解保護(hù)黃河的重要性。help是動(dòng)詞原形；helped是過去式；helps第三人稱單數(shù)形式；to help是動(dòng)詞不定式。9．D解析：D【詳解】句意：——你最好建議他開車時(shí)不要往窗外扔?xùn)|西?？疾閯?dòng)詞的用法。10．A解析：A【詳解】句意：抖音等在線短視頻應(yīng)用讓在家購物變得更容易。it它；one用于指代同類不同物的單數(shù)事物；this這個(gè)/that那個(gè)，單指代詞，用于指代上文提到的事物?！军c(diǎn)睛】當(dāng)不定式、動(dòng)名詞、從句等復(fù)雜成分用作賓語且其后跟有賓語補(bǔ)足語時(shí)，通常會(huì)在賓語補(bǔ)足語前使用形式賓語，而將真正的賓語移至句末。如：I find it difficult to do the job well. 我發(fā)現(xiàn)做好這件事不容易?？疾閯?dòng)詞不定式。12．B解析：B【詳解】句意：生活就是等待合適的時(shí)機(jī)去行動(dòng)，因?yàn)槊總€(gè)人都在自己的時(shí)區(qū)。acting現(xiàn)在分詞；to act動(dòng)詞不定式；act動(dòng)詞原形；acts動(dòng)詞三單。故選B。考查非謂語動(dòng)詞。分析句子結(jié)構(gòu)可知“we can”為先行詞everything的定語從句，根據(jù)句意可知此空應(yīng)該用不定式表目的狀語，故選D。但對(duì)于相對(duì)于相當(dāng)一部分考生來說，非謂語動(dòng)詞知識(shí)點(diǎn)龐雜，考點(diǎn)細(xì)碎，掌握其用法和考試要點(diǎn)確實(shí)不易。非謂語動(dòng)詞顧名思義就是不作謂語的動(dòng)詞。它包括不定式、動(dòng)詞ing和過去分詞三種形式。并且，非謂語動(dòng)詞可以充當(dāng)主語，賓語，表語，定語，狀語，補(bǔ)語?？疾榉侵^語動(dòng)詞。故選C。It’s my honor to do 。16．C解析：C【詳解】句意：——你介意不在大廳里吸煙嗎？——當(dāng)然不介意。Would you mind (not) doing sth. 你（不）介意做某事嗎，固定句型，mind是及物動(dòng)詞，后面跟動(dòng)詞的ing形式。17．C解析：C【詳解】句意：他們?yōu)閰⒓託g迎會(huì)準(zhǔn)備了多少工作？考查動(dòng)詞形式辨析題。18．C解析：C【解析】句意：對(duì)于那些從國(guó)外回來的人現(xiàn)在中國(guó)有很多好的機(jī)會(huì)來實(shí)現(xiàn)他們的夢(mèng)想。have chances to do ，是一個(gè)固定