【正文】 主語waste是動作separate的承受者，使用被動語態(tài)，本句是when引導(dǎo)的時間狀語從解析：B【詳解】句意：當(dāng)日常生活中的垃圾被分離時，人們不會將一些資源與濕垃圾混合。故選B。主語A number of volunteers是動作need的承受者，應(yīng)使用被動語態(tài)，動作還未發(fā)生，所以是一般解析：A【詳解】句意：2022年北京冬奧會將需要一批志愿者。36．C【詳解】句意：2022年北京冬奧會將需要大量的志愿者?，F(xiàn)在它給人們帶來了很多方便?？疾閯釉~時態(tài)和語態(tài)。故此句是一般將來時的被動語態(tài)。根據(jù)句意，主語和動詞之間是動賓關(guān)系，應(yīng)用被動語態(tài)；結(jié)合時間狀語“on February 12”可知，應(yīng)用一般過去時的被動語態(tài)，構(gòu)成形式為：was/were done；主語“it”是第三人稱單數(shù)形式，助動詞應(yīng)用was；put的過去分詞是put?？疾閯釉~短語和被動語態(tài)。根據(jù)“The 2022 Winter Olympics”可知，是一般將來時，主語The 2022 Winter Olympics和謂語動詞hold之間存在被動關(guān)系，此處是一般將來時的被動語態(tài)，其結(jié)構(gòu)是will be done的形式，hold是動詞，舉行，過去分詞是held，故選D?？疾楸粍诱Z態(tài)。主語“a total of 71,000 5G解析：C【詳解】句意：據(jù)報道，2020年。考查動詞時態(tài)及語態(tài)。23．D【詳解】句意：——亨利，五一勞動節(jié)期間你開車回家鄉(xiāng)了嗎？——不，有人建議我坐火車，因為高速公路上的交通往往是最繁忙的。考查動詞的時態(tài)。21．C【詳解】句意：第一批月球樣本采集完成后，嫦娥五號完成了在月球上的任務(wù)。repairs修理，動詞三單；will be repaired將被修理，一般將來時被動語態(tài)；解析：C【詳解】句意：——打擾一下，我們什么時候可以在操場上打籃球？——直到下星期操場修好。考查一般將來時的被動語態(tài)。考查時態(tài)及語態(tài)。根據(jù)主語he發(fā)不出expect這個動詞的動作，所以要用被動語態(tài)，排除A和B，根據(jù)語境可知，我在你告訴我這件事之前認(rèn)為他明天才會回來，所以要用一般過去時，故答案選C?？疾橐话悻F(xiàn)在時的被動語態(tài)?？疾橐话銓頃r和被動語態(tài)?？疾閯釉~時態(tài)及被動語態(tài)。根據(jù)句意“Don’t discuss the problem with your解析：B【詳解】句意：除非對方要求，否則不要和他討論這個問題。——別擔(dān)心。故選D。7．D【詳解】句意：——事情進(jìn)展如何？ ——我不知道。invented動詞，發(fā)明；discovered動詞，發(fā)現(xiàn)；created動詞，創(chuàng)造；produced動詞，生產(chǎn)。主語things又是復(fù)數(shù)形式，故謂語動詞應(yīng)該用are。improved是動詞過去式；was improved是一般過去時的被動語態(tài)；has解析：D【詳解】句意：我們確信我們城市的環(huán)境通過我們的努力在不遠(yuǎn)的將來會得到很大的改善。repairs一般現(xiàn)在時態(tài)的主語第三人稱單數(shù)形式；is repaired一般現(xiàn)在時態(tài)的主語第三人稱單數(shù)形式的被動語態(tài)；will repair一般將來時態(tài)形式；will be repaired一般將來時態(tài)的被動語態(tài)。2．B【詳解】句意：——我父親的辦公室在城東。an Flyover(高架) _________. Now it brings much convenience to people.A．finished B．finishes C．is finishing D．was finished23．—Henry, did you drive back to your hometown during the May Day holiday?— No. I was ________ to take the train because the traffic is often the busiest on the highway.A．praised B．taught C．prevented D．a(chǎn)dvised24．No one knows when the bridge ________, because there is no record about it.A．has built B．built C．was built D．builds25．It is reported that a total of 71,000 5G base stations ________ in Jiangsu Province in 2020.A．build B．built C．were built D．have built26．Some free health service_________for the elderly in the near future.A．provides B．is providedC．will provide D．will be provided27．The 2022 Winter Olympics ________ in Beijing.A．hold B．a(chǎn)re holding C．will hold D．will be held28．— Mum, may I watch TV for a while?— As soon as your homework _______ you can.A．finishes B．will finish C．is finished D．will be finished29．Much attention should ________ these details.A．pay B．be paid C．pay to D．be paid to30．The film Hi! Mom has received high praise since it ________ on screen on February 12.A．was put B．is put C．has been put D．will be put31．Have you heard that the big event Olympics in Tokyo________until next year?A．is put off B．was putted off C．would be put off D．will be put off32．— Excuse me, where is the nearest post office? —It’s ________ to the bank, but it ________ for a few days.A．close。re sure that the environment in our city ______ greatly through our work in the near future.A．improved B．was improved C．has improved D．will be improved4．In Switzerland, things like glass and plastic ______ into different groups and then recycled.A．separate B．separated C．a(chǎn)re separated D．is separated5．Penicillin(青霉素)was first _______ by Fleming early in the twentieth century.A．invented B．discovered C．created D．produced6．Can Mr. King spare some time for the charity show?If he ___, he will try his best to make it.A．will be invited B．is invitedC．invites D．invited7．— How is the case going on?— I’ve no idea. It at the meeting right away.A．discussed B．will discuss C．is discussed D．will be discussed8．—My father works in Chengdu. It takes him much time to go home every month.—Don’t worry. It’ll