【正文】 try doing sth“嘗試做某事”，應(yīng)該填filling。根據(jù)when he came in可知，發(fā)現(xiàn)某人正在做某事，故選B。to wait等待，不定式；wait等待，動(dòng)詞原形；waiting等待，現(xiàn)在分詞或動(dòng)名詞；waited等待，過(guò)去式或過(guò)去分詞；根據(jù)句意理解可知，這里表達(dá)的是“人們等待我們的支持”，wait與people之間是主動(dòng)關(guān)系，所以應(yīng)該用doing形式，作后置定語(yǔ)，構(gòu)成There be…doing的句型，故選C。本題就是第一種用法的被動(dòng)形式。過(guò)去分詞短語(yǔ)作定語(yǔ)時(shí),通常放在被修飾的名詞之后,它的作用相當(dāng)于一個(gè)定語(yǔ)從句，它表達(dá)的是一種動(dòng)作或是存在的狀態(tài)，用來(lái)修飾名詞或代名詞。考查非謂語(yǔ)動(dòng)詞。這里是感嘆不可數(shù)名詞，短語(yǔ)have fun doing 。聽(tīng)！現(xiàn)在我們能聽(tīng)見(jiàn)她在她方房間唱歌。故選B。根據(jù)句意可知等待時(shí)機(jī)是為了有所行動(dòng)，此處要用動(dòng)詞不定式作目的狀語(yǔ)?？疾榉侵^語(yǔ)動(dòng)詞。故選B?？疾榉侵^語(yǔ)。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(yǔ)，動(dòng)詞不定式作真正賓語(yǔ)的句式，故此處應(yīng)為to work。8．A解析：A【詳解】句意：她想不出辦法來(lái)幫助自己脫離困境。第一空主語(yǔ)是物，此處是requires doing“需要被做……”，用主動(dòng)表達(dá)被動(dòng)含義，此空應(yīng)填fixing；故排除B和D；第二空need to do“需要做……”，其主語(yǔ)一般是人，此空應(yīng)填to go，故排除C，故選A。4．B解析：B【詳解】句意：——我希望在周末參加DIY課程?？疾榉侵^語(yǔ)動(dòng)詞。 landing B．In。 to talk D．so。 and B．connects。 wasting B．protecting。 going B．doing。 go B．to stay。 filling B．to start。 to watch B．/。 to live B．to prevent。 what2．It took us one week ________ this article ________ by Mo Yan.A．read, written B．to read, written C．reading, to write D．to read, to write3．Who are you going to have ________ the library since the designer is busy these days.A．to design B．designed C．designing D．design4．—I hope to take the DIY course at weekends.—Good idea. ________ more about it, visit the website ://. . please.A．Know B．To know C．Knowing D．To knowing5．The puter requires ________. I think I need ________ to ask Mr. Zhang for help.A．fixing, to go B．to fix, going C．fixing, going D．to fix, to go6．When I eat a mooncake, I prefer ________ it into small pieces before eating rather than ________ it up straight.A．to cut；eat B．cutting；eat C．to cut；to eat D．cutting；eating7．The joke was so funny that it made him ________ again and again.A．laughing B．laughed C．laugh D．to laugh8．There are no ways she can e up ________ herself out.A．with to help B．to help C．with helping D．to helping9．—Were you required___________ home during the outbreak of COVID19?—Yes. Luckily, the Internet made it possible for many of us________ from home.A．to stay。 what D．why。 to save D．having , to save16．Spending the holiday in nearby places has bee a trend this year as local governments encourage people ________ too far.A．travelling B．not travelling C．travel D．not to travel17．Scientists should do something they can ____ this kind of virus from spreading into a wider area.A．prevent B．to prevent C．preventing D．prevented18．Life is about waiting for the right moment ________, because everyone is in his own TIME ZONE.A．a(chǎn)cting B．to act C．a(chǎn)ct D．a(chǎn)cts19．Mr. Zhou is good at cooking and he has decided______his own restaurant.A．open B．opened C．to open D．opening20．—Suzy, when you leave your bedroom, please turn off the lights energy.—I will, Mum.A．save B．to save C．saving D．saved21．My uncle made up his mind to devote his life pollution happily.A．to prevent。 singing24．What ______ great fun we had ______ the film Jungle Book.A．a(chǎn)。 to28．________ with life in the city, life in the countryside is much slower and more peaceful.A．To pare B．Comparing C．Compared D．Compare29．To protect endangered elephants, government should make rules to prevent people from buying and selling things___________ of ivory（象牙）.A．make. B．a(chǎn)re made C．be made D．made30．—Why are you so excited today?—Because we were told a school trip this weekend.A．having B．have C．to have D．had31．My uncle regretted his house in Shanghai last year, because the house price keeps rising.A．sell B．to sell C．selling D．sold32．—What makes you so brave to volunteer in the munity?—Because I know that there must be so many people __________ for our support.A．to wait