【正文】 睛：與put有關(guān)的短語put away把……收拾好put down寫下，放下put off推遲，拖延put on穿上，上演，增重put out撲滅，熄滅put up張貼，搭建，舉起，留宿put sth to good use好好利用21．D解析：D【解析】句意：海倫被迫在兩天內(nèi)完成這項(xiàng)任務(wù)。20．A解析：A【解析】句意“在春節(jié)期間，我們每個(gè)中國人過去常常在門口貼門神，現(xiàn)在幾乎沒有家庭這么做了”。19．A解析：A【解析】句意：——為了保證學(xué)生在上學(xué)途中的安全，我們采取了更多的行動(dòng)。根據(jù)答語Try thinking about their pronunciations.，可知問的是方法，故選B?！?jiǎng)e擔(dān)心！試著想想他們的發(fā)音。——人們必須停止向海里亂扔口罩。本題考查can’t wait to do sth. 迫不及待地想做某事。根據(jù)題干可知，第一個(gè)空，考查固定搭配mind doing “介意做某事”，可知用helping；第二個(gè)空，根據(jù)固定用法can’t wait to do “迫不及待做某事”，所以用動(dòng)詞不定式to taste；故選D?？疾楣潭ň湫虸t’s +形容詞+for sb. to do sth.：做某事對于某人來說是什么樣子的；live：居住，不及物動(dòng)詞，住在某個(gè)地方是live in；故選B。12．B解析：B【詳解】句意：科學(xué)家應(yīng)該做些什么來防止這種病毒擴(kuò)散到更廣泛的地區(qū)。﹣為什么不讓你的表妹給你寄？根據(jù)﹣I have a package ，but I39。根據(jù)“you have to do something ahead of others”可知下文是動(dòng)詞不定式表示目的。觀察句子，這里應(yīng)該是疑問詞加不定式“how to do sth”表示怎樣做什么，故選A。to save money為了省錢；saving money省錢；to lose weight為了減肥；losing weight減肥；判斷空格填不定式當(dāng)句子的目的狀語，所以排除B、D；根據(jù)“She looks slimmer than before”她看起來比以前苗條了，可知空格指為了減肥，所以排除A；故選C。故選A。故選D?？疾榉侵^語動(dòng)詞作賓補(bǔ)。5．A解析：A【詳解】句意：當(dāng)我吃月餅時(shí)，我寧愿在吃之前把它切成小塊，而不是直接拿起來吃。4．C解析：C【詳解】句意：出門的時(shí)候，別忘了鎖門。3．B解析：B【詳解】句意：袁隆平的母親從沒在田間勞作過，為了支持她兒子的家庭和研究，她搬到安江鎮(zhèn)。而本題 To save energy，turn off the lights when you leave the room. 表示關(guān)燈的目的，是為了節(jié)約能源。故選C。t use to D．not moving。t used to B．not moving。 don39。 needn39。 being seen D．managed。 wasting D．protect。 working44．_______ trees is a longterm project. Let39。 mad D．waiting。 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．It39。 getting24．There ______ a group of people _______on the beach.A．is, lying B．a(chǎn)re, lying C．have, laid D．has,lie25．I must get my homework ____,A．done B．does C．do D．did26．Every morning when the sun ______, plenty of people are watching the ____ of national flag at Tian’anmen Square.A．raises；raise B．rises；riseC．raises；rise D．rises；raising27．Smart phones ________ by Huawei are getting more and more popular around the world.A．made B．a(chǎn)re made C．to make D．making28．Mrs. White showed her student some old maps ________from the library.A．to borrow B．to be borrowed C．borrowed D．borrowing29．Mr. Smith is much surprised to find the watch he has had ________ is nowhere to be seen.A．to repair it B．it repaired C．repaired D．to be repaired30．How lucky Peter was! Some policemen arrived in time and __________ him out.A．managed to help B．tried to help C．succeeded to help D．tried helping31．Many students admitted ________ games once in a while when they took online courses.A．play B．played C．playing D．to play32．Seeing their teacher _______ into the classroom, they stopped _______ at once.A．walk。t realize difficult it was the tickets.A．what。 taste B．helping。m too busy．﹣Why not have your cousin it for you？A．to send； send B．sent； sendC．to send； to send D．sent； to send12．Scientists should do something they can ____ this kind of virus from spreading into a wider area.A．prevent B．to prevent C．preventing D．prevented13．How do you feel after watching the movie Amazing, My Country?Well, I think it is lucky for us ____________ this great country.A．to live B．to live in C．living D．living in14．— Baby, would you mind ________ me cook the fish?— Of course not. I can’t wait ________ it!A．help。 to taste15．She couldn’t wait ________ her mother the good news.A．to tell B．telling C．to talk D．talking16．—It is reported that many sea animals have died because of waste masks.—People must stop ________ waste masks into the sea.A．collecting B．to collect C．littering D．to litter17．—I don’t know _____ remember the new English words.—Don’t worry