【正文】 考查時態(tài)。takes off動詞三單；is taking off現(xiàn)在進(jìn)行時；has taken of解析：B【詳解】句意：女士們，先生們，請留在座位上，系好安全帶，請將座椅靠背調(diào)整好。飛機(jī)正在起飛。故選B?？疾闀r態(tài)。你的毛衣穿反了?？疾闀r態(tài)。你的毛衣穿反了。故選A?？疾閯釉~時態(tài)。我真得要走了?？疾閯釉~時態(tài)。我真得要走了。根據(jù)“Peter, please be quiet.”可知，現(xiàn)在要保持安靜，此處表示你哥哥現(xiàn)在正在錄音，因此用現(xiàn)在進(jìn)行時am/is/are+doing結(jié)構(gòu)，故選D?！獩]問題。根據(jù)“Peter, please be quiet.”可知，現(xiàn)在要保持安靜，此處表示你哥哥現(xiàn)在正在錄音，因此用現(xiàn)在解析：D【詳解】句意：——彼得，請安靜?！獩]問題。13．D【詳解】句意：——彼得，請安靜。又因?yàn)橹髡Z為He，單數(shù)，be動詞用is?？疾楝F(xiàn)在進(jìn)行時?？疾楝F(xiàn)在進(jìn)行時。故選D?？疾閯釉~時態(tài)。根據(jù)后句“I was told it would e in t解析：D【詳解】句意：——John，你周一的面試怎么樣？——不知道，我在等結(jié)果。我被告知（面試）結(jié)果將在兩天后知道。故選B。will wash動詞的一般將來時形式；is washing動詞的現(xiàn)在進(jìn)行時形式；washes動詞的三單形式；washed動詞的過去式。他正在洗碗?？疾楝F(xiàn)在進(jìn)行時。10．B【詳解】句意：——約翰在哪里？——他在廚房里。根據(jù)“Where is your father, David?”可知，此處是詢問當(dāng)前的情況，強(qiáng)調(diào)動作正在進(jìn)行，用現(xiàn)在進(jìn)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。根據(jù)“Where is your father, David?”可知，此處是詢問當(dāng)前的情況，強(qiáng)調(diào)動作正在進(jìn)解析：C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車。9．C【詳解】句意：——大衛(wèi)，你爸爸在哪里？ ——他正在花園里洗車。根據(jù)句中“Listen”提示，動作正在發(fā)生，故應(yīng)用現(xiàn)在進(jìn)行時?？疾楝F(xiàn)在進(jìn)行時。plays動詞第三人稱單數(shù)形式；played表一般過去時；will play表一般將來時；is playing表現(xiàn)在進(jìn)行時。8．D【詳解】句意：聽！這個男孩又在彈鋼琴了?？疾闀r態(tài)?？疾闀r態(tài)。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動詞用are，故選C。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．C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱?？疾閯釉~時態(tài)?？疾閯釉~時態(tài)。故選C?？疾闀r態(tài)辨析。故選C?？疾闀r態(tài)辨析。故選A?？疾楝F(xiàn)在進(jìn)行時的用法。考查現(xiàn)在進(jìn)行時的用法。故選B。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進(jìn)行時；was thinking about過去進(jìn)行時；thought about一般過去時。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進(jìn)行時；was th解析：B【詳解】句意：——嘿！你差點(diǎn)撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅。2．B【詳解】句意：——嘿！你差點(diǎn)撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅。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?，故為現(xiàn)在進(jìn)行時，其結(jié)構(gòu)為am/is/are doing。我們?nèi)椭伞？疾閯釉~時態(tài)。 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 a