【正文】 椅靠背調(diào)整好。prepare準備；is preparing現(xiàn)在進行時；will prepare一般將來時；was preparing過去進行時；has prepared現(xiàn)在完成時；根據(jù)時間狀語“now”可知，句子時態(tài)采用現(xiàn)在進行時。根據(jù)“Wait a minute.”可知，彼得現(xiàn)在正在洗澡，強調(diào)動作正在進行，所以時解析：A【詳解】句意：——霍金夫人，彼得可以和我們一起玩游戲嗎？ ——等一會兒，他正在洗澡?？疾闀r態(tài)。考查動詞時態(tài)和the number of的用法。8．C【詳解】句意：——我能和布朗先生通電話嗎？——很抱歉，他現(xiàn)在正在辦公室召開重要的會議?！獙Σ黄?。6．C【詳解】句意：——嗨，大明。5．C【詳解】句意：請保持安靜。故選D。故選C。故選C。 expect20．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touched B．will touch C．touch D．a(chǎn)re touching21．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had22．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．You’d better not go this way. The workers _________ the road. A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．a(chǎn)m cleaning B．will clean C．was cleaning D．have cleaned25．— Helen, how was your English petition on Monday?— I have no idea, I _________ for the result. I was told it would e out in two days.A．was waiting B．waited C．will wait D．a(chǎn)m waiting26．—How do you find your pany?—A little worried. We ________ ground as a leader in the field of IT with the others speeding up development.A．a(chǎn)re losing B．were losing C．lost D．have lost27．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling28．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making29．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending30．— 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 have31．Joe, answer the phone for me. I ________ how to make dumplings in the kitchen.A．learned B．a(chǎn)m learning C．have learned D．learn32．— Tina, the TV show has already been on. Come and watch together. — Wait a moment. I ________ coffee in the kitchen.A．a(chǎn)m making B．have made C．make D．made33．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing34．—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 washing35．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing36．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair37．— 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 presenting38．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out39．—Where is your father, David?—He ________ the car in the garden.A．will wash B．washed C．is washing