【正文】 【詳解】句意：我們的父母不允許我們單獨去河里游泳。Plants名詞復(fù)數(shù)；Planted過去式或過去分詞；Plant動詞原形；Planting動名詞/現(xiàn)在分詞。讓我們好好照顧這些我們種的樹，等待它們長大。A. to laugh笑，不定式形式，B. laughing笑，動名詞形式，C. laugh笑，動詞原形，D. laughs笑，三單形式。13．C解析：C【詳解】句意：麥克斯是一個搞笑的男孩。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就錯了。本句用不定式表目的，即“老師選擇古典歌曲是為了讓我們在課間放松”；根據(jù)句意結(jié)構(gòu)，可知選C?？疾榉侵^語動詞。故選A。to improve為了提高；動詞不定式；improving 提高，動名詞；improve 提高，原形；improved提高，過去式。11．A解析：A【詳解】句意：考試快到了。因為我的腳疼。 考查非謂語動詞。故選A。require sb to do sth要求某人做某事；require doing sth某事需要被做。幸運地是，互聯(lián)網(wǎng)使我們許多人在家里工作成為可能。故選A?？疾閯釉~短語和非謂語動詞。故選D。根據(jù)賓語“me”，可知其后用非謂語動詞作賓補?？疾榉侵^語動詞作賓補。第一空主語是物，此處是requires doing“需要被做……”，用主動表達被動含義，此空應(yīng)填fixing；故排除B和D；第二空need to do“需要做……”，其主語一般是人，此空應(yīng)填to go，故排除C，故選A。我想我需要去請張先生幫忙。故選C。考查動詞不定式的否定形式。be allowed to do sth“被允許做某事”，動詞不定式作主語補足語，故選B。4．B解析：B【詳解】句意：同學(xué)們，請注意！我們不允許在這里拍照?？疾榉侵^語動詞。故選C。need doing中的need屬實義動詞，后跟動名詞形式，表示被動意義。一般用need to do sth. 句型。本題主要考查固定搭配。2．C解析：C【詳解】句意：—布萊克先生，我的電腦壞了，它需要修理。achieve實現(xiàn)，動詞原形；achieved過去式；to achieve動詞不定式；achieving動名詞。 attend D．watching。 attend B．to watch。 ordering D．a(chǎn)re served。 to order B．served。t enjoy myself at the party. I just felt __ . — Well, maybe there were too many people at the party.A．left out B．to leave out C．leaving out D．be left out46．—What happened to Lucy? I saw her _______ in her seat just now.—She failed in the final exam. Let’s go to cheer her up.A．crying B．to cry C．cried D．to be crying47．Nowadays students have more time to practice ________ English after class.A．speak B．spoke C．speaking D．to speak48．A lot of museums in China are worth___________. If you have time, you can choose to go.A．visited B．visiting C．to visit D．visit49．Paul is really considering________himself to________ those children in the earthquakehit area.A．to devote, teaching B．devoting, teaching C．devoting, teach D．to devote, teach50．When you travel abroad, you can hardly avoid products made in China.A．to buy B．buy C．buying D．be bought51．—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．saw52．一Waiter! I39。 as well as D．To pare。 as good as B．To pare。 Nothing32．When I was young I liked to listen to the radio, ________ for my favourite song.A．wait B．waited C．waiting D．so that wait33．—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 B．wait C．waiting D．waited34．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 stand35．It39。 None C．solving。 singing22．I must get my homework ____,A．done B．does C．do D．did23．My younger sister wants to get her ears ________ after graduation.A．pierced B．pierce C．piercing D．to pierce24．She left the lights on overnight and in the morning she couldn’t get the car ________.A．to start B．starting C．started D．starts25．Mrs. White showed her students some old maps ________ from the library.A．to borrow B．to be borrowed C．borrowed D．borrowing26．Smart phones ________ by Huawei are getting more and more popular around the world.A．made B．a(chǎn)re made C．to make D．making27．A 32yearold delivery driver ________ Gao Zhixiao was still working as the virus spread across China.A．called B．is called C．calls D．was called28．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 repaired29．Most of the artists____________ to the party were from South Africa.A．invite B．to invite