【正文】 ’s exam at home”和語境，可知此處表示他正在家里做準(zhǔn)備，應(yīng)用現(xiàn)在進(jìn)行時。25．B【詳解】句意：——嗨，湯姆。故選B。故選B。我正在廚房學(xué)習(xí)如何包餃子?？疾閯釉~時態(tài)?？疾闀r態(tài)。她正在圖書館看書。分析語境可知，上文詢問時，弗蘭克正在房間里聽音樂，故此處應(yīng)為進(jìn)行時態(tài)，結(jié)合上文中is可知，此處為現(xiàn)在進(jìn)行時。根據(jù)“An old friend of mine is ing.”可知此人正在等某人。A是一般現(xiàn)在時；B是現(xiàn)在進(jìn)行時；C是過去進(jìn)行時；D是一般過去時。根據(jù)問句“—Tom, where39。根據(jù)“Hurry up”可知此處表達(dá)的是現(xiàn)在正在做的事，用現(xiàn)在進(jìn)行時be doing。故選C。我在商店里買一些零食。由“I really need to go now. My children…for me at school”可知解析：A【詳解】句意：請原諒我。根據(jù)句中“Now”及句意可知，句中動作表示正在進(jìn)行，表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時，其構(gòu)成是am/is解析：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》?？疾閯釉~時態(tài)。你在忙什么？——我正在做一個關(guān)于家族史的項目。故選B。8．B【詳解】句意：——約翰在哪里？——他在廚房里。主語he后接be動詞is。6．B【詳解】句意：——你好，我可以和吉姆講話嗎？——對不起，他正在開一個重要的會?？疾闀r態(tài)。3．C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱。根據(jù)“Tom, please give me a hand in moving the piano.”及語境可知，此處回答的動作是現(xiàn)在正在進(jìn)行的，應(yīng)用現(xiàn)在進(jìn)行時，結(jié)構(gòu)是“be+doing”，故選C。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．— Tom, where is your little sister?— She _______ in the backyard now.A．is playing B．will play C．played D．plays21．— Dad, I can’t work out this math problem. Can you give me a hand?— Wait a moment. I ________ on the phone.A．a(chǎn)m talking B．will talk C．was talking D．have talked22．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．learn23．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．— 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 waiting25．— Hi, Tom. I can’t find David anywhere. Do you know where he is?—Oh, he ________ for tomorrow’s exam at home.A．prepares B．is preparing C．has prepared D．prepared26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep28．— 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 have29．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning30．— 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．made31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having33．—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．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing35．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．a(chǎn)m watering C．watered D．have watered36．—Maggie, could you hel