【正文】 考查現(xiàn)在進(jìn)行時。解析：B【詳解】句意：媽媽正在廚房煮魚。根據(jù)語境可知，為了讓對方安靜下來，此句應(yīng)強(qiáng)調(diào)學(xué)生現(xiàn)在正在考試這個事情；強(qiáng)調(diào)此刻正在進(jìn)行的動作，時態(tài)應(yīng)用現(xiàn)在進(jìn)行時，其構(gòu)成為“be解析：B【詳解】句意：安靜點！學(xué)生們正在參加英語考試?？疾楝F(xiàn)在進(jìn)行時。考查時態(tài)辨析。根據(jù)句中“Look!”提示，此處表示正在發(fā)生的動作，故句子應(yīng)用現(xiàn)在進(jìn)行時。一起來看吧。考查動詞時態(tài)。do一般現(xiàn)在時，原形； am doing現(xiàn)在進(jìn)行時；did一般過去時；根據(jù)“Sorry, Amy”拒絕和對方解析：B【詳解】句意：——蒂娜，我們出去逛街吧。我正在廚房學(xué)習(xí)如何包餃子。考查時態(tài)。由此可推斷我正在用，稍后借給你，符合語境。故選C。根據(jù)“We…ground as a leader in the field of IT with the others speeding up development.”可知，此處強(qiáng)調(diào)動作正在進(jìn)行中，用現(xiàn)在進(jìn)行時，故選A?？疾楝F(xiàn)在進(jìn)行時。考查時態(tài)?？疾閯釉~時態(tài)辨析。你能幫我一下嗎？——等一下。考查時態(tài)辨析。解析：C【詳解】句意：——我能和Mr. Brown說話么？——對不起，他現(xiàn)在正在開一個重要的會議。根據(jù)句中“解析：D【詳解】句意：聽！這個男孩又在彈鋼琴了。read讀書，原形；reads讀書，第三人稱單數(shù)； is reading 正在讀書，現(xiàn)在進(jìn)行時；was reading正在讀書，過去進(jìn)行時。19．C【詳解】句意：——你好。18．B【詳解】句意：——湯姆，爸爸在哪兒？ ——喔，他正在花園里的澆花。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“I”是第一人稱單數(shù)形式，be用am，work的現(xiàn)在分詞是working。我在做作業(yè)?！獩]問題。look“看”用于提醒，后面的句子需用現(xiàn)在進(jìn)行時“be doing”結(jié)構(gòu)?？疾閯釉~時態(tài)。根據(jù)上文“could you help pick up the phone”，結(jié)合麥琪的肯定回答，可知ri解析：D【詳解】句意：——麥琪，你能幫我接電話嗎？它在響?？疾閯釉~時態(tài)。9．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車。句中“Listen”是現(xiàn)在進(jìn)行時態(tài)的標(biāo)志詞，其結(jié)構(gòu)為am/is/are+動詞現(xiàn)在分詞，主語“The birds”是復(fù)數(shù)，be動詞解析：C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱。6．D【詳解】句意：——邁克，那是什么聲音？——我的弟弟現(xiàn)在正在玩他的玩具汽車?？疾闀r態(tài)辨析?？疾楝F(xiàn)在進(jìn)行時的用法。cooks烹飪，一般現(xiàn)在時；is cooking烹飪，現(xiàn)在進(jìn)行時；will cook烹飪，一般將來時；cooked烹飪，一般過解析：B【詳解】句意：——媽媽在哪里？——她正在廚房做飯?？疾闀r態(tài)。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing21．— 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 have22．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．— 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 cleaned24．— 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．prepared25．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—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 lost28．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep29．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using30．—I _______ a book report now. Can I talk to you later?—No problem.A．write B．wrote C．a(chǎn)m writing D．was writing31．Joe, answer the phone for me. I ________ how to make dumpling