【正文】 語境可推斷出，動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為be do解析：D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作。根據(jù)“He is in the kitchen.”和“now”可知，該句為現(xiàn)在進(jìn)行時(shí)，謂語結(jié)構(gòu)是：be+動(dòng)詞的現(xiàn)在分詞。will wash動(dòng)詞的一般將來時(shí)形式；is washing動(dòng)詞的現(xiàn)在進(jìn)行時(shí)形式；washes動(dòng)詞的三單形式；was解析：B【詳解】句意：——約翰在哪里？——他在廚房里。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D。look“看”用于提醒，后面的句子需用現(xiàn)在進(jìn)行時(shí)“be doing”結(jié)構(gòu)。根據(jù)句中“Now”及句意可知，句中動(dòng)作表示正在進(jìn)行，表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時(shí)，其構(gòu)成是am/is/are doing。7．B【詳解】句意：現(xiàn)在，位于森林路的ABC電影院正在放映老電影《羅馬假日》?？疾楝F(xiàn)在進(jìn)行時(shí)。故選A。根據(jù)“Let’s go and help her”可知，此處指讓我們?nèi)椭谧鐾盹埖哪棠蹋蕿楝F(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為am/is/a解析：A【詳解】句意：奶奶正在做晚飯。根據(jù)“What are you up to”可知，答語要用現(xiàn)在進(jìn)行時(shí)，表示現(xiàn)在正在進(jìn)行的動(dòng)作，結(jié)構(gòu)為am/is/are doing，故選C。考查動(dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)辨析?？疾閯?dòng)詞時(shí)態(tài)辨析。根據(jù)語境可知，英語演講比賽下周舉行，杰克現(xiàn)在應(yīng)該是正在準(zhǔn)備，因此用現(xiàn)在進(jìn)行時(shí)；其結(jié)構(gòu)是：be（am/is /are）+動(dòng)詞的現(xiàn)在分詞。根據(jù)語解析：B【詳解】句意：——我有幾天沒見到杰克了。2．B【詳解】句意：——我有幾天沒見到杰克了。他在哪里？——哦，他在圖書館學(xué)習(xí)。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading19．—Where is mum？ —She________in the kitchen．A．cooks B．is cooking C．will cook D．cooked20．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting.A．is preparing B．will prepare C．was preparing D．has prepared21．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having22．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．a(chǎn)re making C．make D．will make23．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook25．I can’t hear you. I ______ to an English speech.A．a(chǎn)m listening B．listen C．was listening26．—I _______ a book report now. Can I talk to you later?—No problem.A．write B．wrote C．a(chǎn)m writing D．was writing27．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have28．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep29．—Tony, hurry up! We ________ for you now.—Just one minute.A．wait B．waited C．have waited D．a(chǎn)re waiting30．—Ethan, let’s go to play basketball, shall we?—Sorry, I can’t. I ________Yao Ming’s game. Would you mind going later?A．watch B．have watched C．a(chǎn)m watching D．was watching31．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write32．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying33．—Jane,where are you?—Dad,I________ the car in the driveway. It is really dirty.A．wash B．will wash C．a(chǎn)m washing D．was washing34．— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A．clean B．cleaned C．a(chǎn)m cleaning D．have cleaned35．— Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.— I’m sorry about that.A．presents B．presented C．has presented D．is presenting36．Betty can’t join us in the card game. She __