【正文】 ；am reading動(dòng)詞的現(xiàn)在進(jìn)行時(shí)；was reading過去進(jìn)行時(shí)；have read動(dòng)詞的現(xiàn)在完成時(shí)?！纫粫艺谧x我的郵件?？疾閯?dòng)詞的的時(shí)態(tài)。13．B【詳解】句意：——趕緊。考查時(shí)態(tài)。為什么不上車呢？——琳達(dá)還沒來?？疾闀r(shí)態(tài)。為什么不上車呢？——琳達(dá)還沒來。根據(jù)前面的“One moment!”可知，判斷設(shè)空處的動(dòng)作“發(fā)送電子郵件”在說話時(shí)刻正在進(jìn)行著，所以用現(xiàn)在進(jìn)行時(shí)；現(xiàn)在進(jìn)行時(shí)的構(gòu)成是：主語+am/is/are+動(dòng)詞的現(xiàn)在分詞；主語是He，be動(dòng)詞用is，send的現(xiàn)在分詞是sending；故選A。根據(jù)前面的“One moment!”可知，判斷設(shè)空處的動(dòng)作“發(fā)送電子郵件”在說話時(shí)刻正在進(jìn)行著，所以用解析：A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件。11．A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件?？疾闀r(shí)態(tài)。你哥哥正在手機(jī)上錄音。考查時(shí)態(tài)。你哥哥正在手機(jī)上錄音。故選D?？疾楝F(xiàn)在進(jìn)行時(shí)。根據(jù)上句“Betty can’t join us in the game”，此處指的是現(xiàn)在發(fā)生的事，故應(yīng)用現(xiàn)在時(shí)，且根據(jù)解析：D【詳解】句意：貝蒂不能參加我們的比賽。她正在打掃教室。故選B?？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。故選C。根據(jù)語境及“at the moment”可知，打來電話的時(shí)候，布朗先生正在開會，時(shí)態(tài)用現(xiàn)在進(jìn)行時(shí)，結(jié)構(gòu)為am/is/are doing。根據(jù)語境及“at the moment”可知，打來電話的時(shí)候，布朗先生正在開會，時(shí)態(tài)用現(xiàn)解析：C【詳解】句意：——我能和布朗先生通電話嗎？——很抱歉，他現(xiàn)在正在辦公室召開重要的會議。7．C【詳解】句意：——我能和布朗先生通電話嗎？——很抱歉，他現(xiàn)在正在辦公室召開重要的會議。根據(jù)問句“where is your little sister”及后面的now可知，此處強(qiáng)調(diào)動(dòng)作正在進(jìn)行，應(yīng)該用現(xiàn)在進(jìn)行時(shí)，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(dòng)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。6．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(shí)，謂語結(jié)構(gòu)是：be+動(dòng)詞的現(xiàn)在分詞。考查現(xiàn)在進(jìn)行時(shí)。will wash動(dòng)詞的一般將來時(shí)形式；is washing動(dòng)詞的現(xiàn)在進(jìn)行時(shí)形式；washes動(dòng)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?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)。故選B。根據(jù)“now”可知要用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為be doing。解析：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(gè)重要的會。主語he后接be動(dòng)詞is?？疾楝F(xiàn)在進(jìn)行時(shí)。故選B。選項(xiàng)A為一般將來時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過去進(jìn)行時(shí)。 ——他正在為下周舉行的英語演講比賽做準(zhǔn)備。選項(xiàng)A為一般將來時(shí)；選項(xiàng)B為現(xiàn)在進(jìn)行時(shí)；選項(xiàng)C為現(xiàn)在完成時(shí)；選項(xiàng)D為過去進(jìn)行時(shí)。 ——他正在為下周舉行的英語演講比賽做準(zhǔn)備。takes off動(dòng)詞三單；is taking off現(xiàn)在進(jìn)行時(shí)；has taken off現(xiàn)在完成時(shí)；took off一般過去時(shí)；根據(jù)“Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back.”可知是飛機(jī)起飛前，讓乘客準(zhǔn)備的內(nèi)容，可推測出此處是用現(xiàn)在進(jìn)行時(shí)表將來，故選B。飛機(jī)正在起飛。考查時(shí)態(tài)。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．— Where are the officers? — Look! They ________ the elephant in the palace now.A．touched B．will touch C．touch D．a(chǎn)re touching21．Mum ________ fish in the kitchen. It smells so good.A．cooks B．is cooking C．was cooking D．will cook22．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves24．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling25．—I _______ a book report now. Can I talk to you later?—No problem.A．write B．wrote C．a(chǎn)m writing D．was writing26．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing27．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking28．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared29．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting30．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．