【正文】 e making B．speaking, practicing makingC．spoken, practicing making D．speaking, practicing to make29．—Mr Black, my puter is broken, it needs ________.—OK, I will have it ________ tomorrow.A．to be mended。 to mendC．mending。 to be mended30．In order ________ for the petition, my sister forced herself to get up early this morning.A．not to be late B．not being late C．to be late D．being late31．China has successfully prevented the Covid19 from _______ through the country.A．spread B．to spread C．spreading D．spreads32．Seeing their teacher _______ into the classroom, they stopped _______ at once.A．walk。 to speak C．enter。 talking33．While all Chinese are fighting COVID19, medical staff（工作人員） ________ on the front line are heroes.A．stood B．stand C．standing D．to stand34．With a lot of students about too much homework, our teachers have tried some ways to solve this problem.A．plain B．plaining C．plained D．to plain35．—Tom, have you ever read the book A Tale of Two Cities ________ by Charles Dickens?—Yes, I finished reading it last winter vacation.A．wrote B．to write C．writing D．written36．Lily’s parents always encourage her ____out her opinions.A．speak B．speaking C．to speak D．spoken37．Children are not born with their habits already _______.A．to make B．to be made C．making D．made38．The rubbish ________ every day is being a serious problem in cities around the world.A．produce B．produced C．producer D．producing39．If you want to make yourself ______, you should speak clearly and slowly.A．to understand B．understood C．understand D．understanding40．—What terrible weather!I simply can’t get the car________.—Why not try________the engine with some hot water?A．started。 filling C．started。 to fill41．Mr Hu was prevented ____ the meeting by a bad cold yesterday.A．a(chǎn)ttended B．a(chǎn)ttending C．a(chǎn)ttend D．to attend42．I would rather spend time ______ at home than ______ out with you.A．staying。 to go C．staying。 go43．—Nowadays, many young people get used to________ late every day.—Exactly. But that’s not a good habit.A．stay up B．staying up C．stay out D．staying out44．Tina is showing off her new phone. She won39。 typing B．to write。 to type D．writing。an.A．building B．to build C．build D．have built50．—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 expressed51．一Waiter! I39。 to order B．served。 ordering D．a(chǎn)re served。 Better not。 Of course not。 I’m sorry but I do。 Never mind。m writing a report.Sorry. We39。 from living B．to prevent。 from living D．to preventing。 aren39。 didn39。 didn39。 aren39。考查非謂語動(dòng)詞。本句用不定式表目的，即“老師選擇古典歌曲是為了讓我們?cè)谡n間放松”；根據(jù)句意結(jié)構(gòu)，可知選C。enjoy doing喜歡做某事，是固定短語，但she enjoys是定語從句，做songs（歌曲）的后置定語，選B就錯(cuò)了。2．C解析：C【詳解】句意：與城市生活相比，農(nóng)村生活要慢得多，也更安寧。3．B解析：B【詳解】句意：——Tom，你讀過查爾斯考查非謂語動(dòng)詞。4．C解析：C【詳解】句意：比起住在大城市，我更喜歡住在寧?kù)o的鄉(xiāng)村，因?yàn)槟鞘刮曳潘伞ive是動(dòng)詞，意為“居住”，prefer doing to doing意為“比起做……更喜歡做……”。relax是動(dòng)詞，意為“放松”；relaxed放松的，是形容詞，常用來是修飾人；relaxing令人放松的；是形容詞，常用來修飾物；第二空表示“讓我放松”，表示人的狀態(tài)，故用ed結(jié)尾的形容詞。5．C解析：C【詳解】句意：——任何人都不應(yīng)該被允許在戶外使用火?？疾閯?dòng)詞的語態(tài)和非謂語動(dòng)詞。故選C?！笆勘槨北砬榉?hào)的嘴里再也沒有香煙了。give up doing ，介詞up后接動(dòng)名詞；結(jié)合選項(xiàng)，故選D?？疾榉侵^語動(dòng)詞。故選C。這意味著中國(guó)成為第二個(gè)成功登陸火星的國(guó)家。in泛指一般意義的上午、下午或晚上以及月或年等較長(zhǎng)的時(shí)間；若表示星期幾或某一特定的日期，則用on；land降落/著陸。故選D?？疾閯?dòng)詞不定式。故選B。所以我不能決定選哪個(gè)。根據(jù)“no difference”可知，無法決定選哪一個(gè)。故選B?？疾榉侵^語動(dòng)詞。故選D?！弥饕??？疾榉侵^語動(dòng)詞。13．B解析：B【詳解】句意：父親去世的悲傷使她很難完成學(xué)業(yè)。固定搭配：make it difficult for sb. to do sth.“做某事對(duì)于某人來說是很難的”，it是形式賓語，真正的賓語是動(dòng)詞不定式。14．A解析：A【解析】試題分析：句意：我的母親經(jīng)常要求我在星期日做一些清洗工作。考點(diǎn)：非謂語動(dòng)詞點(diǎn)評(píng)：不定式作句子成分表示具體的將要進(jìn)行的動(dòng)作，一般不用于介詞后面。介詞后面一般接動(dòng)名詞作賓語，也有部分動(dòng)詞后接動(dòng)名詞做賓語，注意和不定式作賓語表達(dá)含義的不同。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”。16．D解析：D【詳解】試題分析：句意：我們應(yīng)該鼓勵(lì)我們的學(xué)生努力學(xué)習(xí)而不