【正文】 個老朋友要來了。17．B【詳解】句意：——你看起來心不在焉。flies是fly的第三人稱單數(shù)形式；fly是動詞原形；flew是fly的過去式。結(jié)構(gòu)為：主語+will/shall+動詞原形、主語+am/is/are+動名詞?！Ｄ懵猛居淇?。結(jié)構(gòu)為：主語+will/shall+動詞原形、主語+am/is/are+動名詞?！Ｄ懵猛居淇臁９蔬xB。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?？疾閯釉~的的時態(tài)。reading 動名詞；am reading動詞的現(xiàn)在進(jìn)行時；was reading過去進(jìn)行時；have read動詞解析：B【詳解】句意：——趕緊。——等一會，我正在讀我的郵件。故選D。根據(jù)next year可知是一般將來時態(tài)?！娴模?我聽說他明年要去美國。故選D。根據(jù)next year可知是一般將來時態(tài)。——真的？ 我聽說他明年要去美國。故選A?？疾闀r態(tài)?？疾闀r態(tài)。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。故選C?？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?？疾閯釉~時態(tài)。考查動詞時態(tài)。故選A。考查現(xiàn)在進(jìn)行時的用法?？疾楝F(xiàn)在進(jìn)行時的用法。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。我在修我的車。根據(jù)“Tom, please give me a hand in moving the piano.”及語境可知解析：C【詳解】句意：——湯姆，請幫我搬一下鋼琴。我在修我的車。8．C【詳解】句意：——湯姆，請幫我搬一下鋼琴。根據(jù)問句“where is your little sister”及后面的now可知，此處強(qiáng)調(diào)動作正在進(jìn)行，應(yīng)該用現(xiàn)在進(jìn)行時，構(gòu)成為am/is/are doing，此處主語是第三人稱單數(shù)，所以用is playing。根據(jù)問句“where is your little sister”及后面的now可知，此處強(qiáng)調(diào)動作正在進(jìn)行，應(yīng)該用現(xiàn)解析：A【詳解】句意：——湯姆，你的小妹妹在哪里?——她現(xiàn)在正在后院玩。7．A【詳解】句意：——湯姆，你的小妹妹在哪里?——她現(xiàn)在正在后院玩。根據(jù)“He is in the kitchen.”和“now”可知，該句為現(xiàn)在進(jìn)行時，謂語結(jié)構(gòu)是：be+動詞的現(xiàn)在分詞。考查現(xiàn)在進(jìn)行時。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；was解析：B【詳解】句意：——約翰在哪里？——他在廚房里。他正在洗碗。故選D?？疾閯釉~時態(tài)?？疾閯釉~時態(tài)。故選D。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。根據(jù)句中“解析：D【詳解】句意：聽！這個男孩又在彈鋼琴了。考查現(xiàn)在進(jìn)行時。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。3．C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱。主語是she，be動詞用is。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。考查動詞時態(tài)。我可以和勞拉講話嗎？——對不起，她不在家?？疾閯釉~時態(tài)。我可以和勞拉講話嗎？——對不起，她不在家。故選C?？疾閯釉~時態(tài)。故解析：C【詳解】句意：——Candy，你能幫我洗碗嗎？——對不起，媽媽?？疾閯釉~時態(tài)。 expect18．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening19．—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A．think about B．a(chǎn)m thinking about C．was thinking about D．thought about20．—May I speak to Mr. Brown? —I am sorry. He _______ an important meeting in his office at the moment.A．has B．had C．is having D．will have21．—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 watching22．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．— 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 waiting24．— 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．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep27．—Look out! Something ________ dow