【正文】 略形式：疑問詞+不定式結(jié)構(gòu)?！獎e擔心！試著想想他們的發(fā)音。根據(jù)句意How lucky Peter was可知，Peter被救了，故應(yīng)選A。11．A解析：A【詳解】句意：Peter多么幸運?。∫恍┚旒皶r到了，設(shè)法把他救了出來。A. enjoy享受，喜歡，動詞原形；B. enjoying動名詞； C. to enjoy動詞不定式；D. enjoyed動詞過去式。故選C。protect是動詞原形，protecting是其現(xiàn)在分詞或現(xiàn)在分詞形式；to protect是動詞不定式；to protecting是介詞后加動名詞。9．C解析：C【詳解】句意：Sallie認真地卷起她的新褲子以免上面落灰。其基本結(jié)構(gòu)為“動詞+it+賓語補足語+不定式（動名詞或從句）”。本句是固定句型“動詞+it+賓語補足語+不定式（動名詞或從句）”結(jié)構(gòu)，it用作形式賓語，后面的不定式（動名詞或從句）是真正賓語；根據(jù)句意結(jié)構(gòu)，可知選A?？疾榇~辨析。本句是用不定式表目的，故選C?！军c睛】本句enjoy（喜歡）是個起誤導(dǎo)作用的單詞。relax放松，relaxing是動名詞形式；to relax是不定式結(jié)構(gòu)；to relaxing是錯誤表達。7．C解析：C【詳解】句意：我們的老師總是選擇她喜歡的古典歌曲讓我們在課間放松?？疾榉侵^語動詞、動詞短語。6．C解析：C【詳解】句意：為了減肥我媽媽晚飯通常只吃一點兒東西。help是動詞原形；helped是過去式；helps第三人稱單數(shù)形式；to help是動詞不定式。5．D解析：D【詳解】句意：他們開設(shè)課程來幫助學(xué)生了解保護黃河的重要性。4．D解析：D【詳解】句意：保羅做了一個漂亮的籠子養(yǎng)鳥，一直到它可以飛為止?？疾榉侵^語動詞。3．A解析：A【詳解】句意：這臺電腦需要修理?？疾榉侵^語動詞。2．B解析：B【詳解】句意：我的自行車壞了。achieve實現(xiàn)，動詞原形；achieved過去式；to achieve動詞不定式；achieving動名詞。 to take D．to spend。 to take B．spending。 landing D．On。 landing B．In。reads D．spends。read B．spend。 to order50．I think the film Roman Holiday is worth a second time.A．to watch B．watch C．watching D．being watched51．What do you remember about Grade 7 ?I remember ______ a prize .A．to win B．winning C．win D．wining52．He made up his mind to devote his life pollution happily.A．to prevent, to live B．to prevent, from livingC．to preventing, to live D．to preventing, from living53．My mother often asks me to do some on Sunday.A．washing B．wash C．to wash D．washed54．Tina is showing off her new phone. She won39。 orderingC．a(chǎn)re served。d like some beef and a vegetable salad.一Sorry，madam. They only for lunch. Why not consider something else?A．served。 didn’t use to D．not to move。 aren’t used to B．not to move。 as good as41．I think middle school students should not get their hair _______.A．color B．colors C．colored D．coloring42．I didn39。 as well asC．Compared。 to fill40．________with his flat, mine looks__________ new.A．Compared。 filling C．started。 getting21．The old couple often take a walk after supper in the park with their pet dog ___________ them.A．to follow B．following C．followed D．follows22．I must get my homework ____,A．done B．does C．do D．did23．He tried to make himself ________ by his students, but he failed.A．understand B．understoodC．understands D．understanding24．— Listen! Can you hear something?— Yeah, it could be some children outside.A．were playing B．playingC．to play D．play25．－Don’t you think your hair is too long?－Yes. I am going to have it ________ soon.A．cut B．cuts C．cutting D．to cut26．A 32yearold delivery driver ________ Gao Zhixiao was still working as the virus spread across China.A．called B．is called C．calls D．was called27．The audience enjoyed the lecture ________ by Hans and Einstein joined in the applause too.A．given B．giving C．to give D．gave28．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 write29．Alice couldn’t make herself ________ attention to because her classmates made so much noise.A．pay B．paid C．paying30．Mr. Zhou is good at cooking and he has decided______his own restaurant.A．open B．opened C．to open D．opening31．—Is there anything amazing in today’s newspaper?—Yes. By using ordinary puters, NASA scientists are busy________ at home to control a space rover(天體登陸車）on the Red Planet. .A．to programme B．programming C．programme D．with programming32．—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．waited33．_________ with Huawei and Xiaomi, Apple seems to have lost its attraction in the past few months．A．C