【正文】 18．C【詳解】句意：——瑪麗，我們?nèi)タ措娪鞍?。我正在等他。我正在等他?？疾闀r態(tài)。飛機正在起飛?？疾闀r態(tài)?？疾闀r態(tài)。故選A。我真得要走了。我真得要走了?！獩]問題?！獩]問題。又因為主語為He，單數(shù)，be動詞用is?？疾楝F(xiàn)在進行時?？疾閯釉~時態(tài)。我被告知（面試）結(jié)果將在兩天后知道。will wash動詞的一般將來時形式；is washing動詞的現(xiàn)在進行時形式；washes動詞的三單形式；washed動詞的過去式。考查現(xiàn)在進行時。根據(jù)“Where is your father, David?”可知，此處是詢問當前的情況，強調(diào)動作正在進行，用現(xiàn)在進行時，結(jié)構(gòu)為：am/is/are + 動詞現(xiàn)在分詞，主語為he，be動詞用is。9．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車?？疾楝F(xiàn)在進行時。8．D【詳解】句意：聽！這個男孩又在彈鋼琴了。考查時態(tài)。句中“Listen”是現(xiàn)在進行時態(tài)的標志詞，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。考查動詞時態(tài)。故選C。故選C。故選A?？疾楝F(xiàn)在進行時的用法。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進行時；was thinking about過去進行時；thought about一般過去時。2．B【詳解】句意：——嘿！你差點撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅。我們?nèi)椭伞?expect20．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having21．— 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．made22．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write23．You had 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．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep28．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making29．—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．— 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．—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．—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 watching33．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking34．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having35．— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A．clean B．cleaned C．a(chǎn)m cleaning D．have cleaned36．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing37．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made38．—Magg