【正文】 正在逐漸喪失。根據(jù)“now”可知，時態(tài)為現(xiàn)在進(jìn)行時，結(jié)構(gòu)為：am/is are doing，主語為She，be動詞用is。我被告知將它將在兩天后出來。face動詞原形；faces第三人稱單數(shù)；is facing現(xiàn)在進(jìn)行時，主語為單數(shù)形式；are facing現(xiàn)在進(jìn)行解析：D【詳解】句意：目前，南蘇丹的許多兒童正面臨著饑餓的問題。由“I really need to go now. My children…for me at school”可知解析：A【詳解】句意：請原諒我。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。我可以和勞拉講話嗎？——對不起，她不在家。get變得。17．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。16．B【詳解】句意：——弗蘭克在哪兒？——他正在房間里聽音樂。15．B【詳解】句意：——湯姆，爸爸在哪兒？ ——喔，他正在花園里的澆花。我正在等他。13．D【詳解】句意：聽！有人正在旁邊的房間里唱歌。由此可推斷我正在用，稍后借給你，符合語境。故選A?？疾閯釉~時態(tài)和the number of的用法?？疾閯釉~時態(tài)。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)“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。故填B。根據(jù)前面的“One moment!”可知，判斷設(shè)空處的動作“發(fā)送電子郵件”在說話時刻正在進(jìn)行著，所以用現(xiàn)在進(jìn)行時；現(xiàn)在進(jìn)行時的構(gòu)成是：主語+am/is/are+動詞的現(xiàn)在分詞；主語是He，be動詞用is，send的現(xiàn)在分詞是sending；故選A。考查動詞時態(tài)。根據(jù)題干中“Where is he?”可知要回答現(xiàn)在在哪里，用現(xiàn)在進(jìn)行時表示“正在圖書館學(xué)習(xí)”，其解析：C【詳解】句意：——我在教室里找不到邁克了。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A．was studying B．studied C．is studying D．studies2．—Where is mum？ —She________in the kitchen．A．cooks B．is cooking C．will cook D．cooked3．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending4．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had5．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed6．— Tom, where is your little sister?— She _______ in the backyard now.A．is playing B．will play C．played D．plays7．—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 have8．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on9．The zoo keeper is worried because the number of visitors ________ smaller and smaller.A．bee B．a(chǎn)re being C．is being D．have bee10．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting.A．is preparing B．will prepare C．was preparing D．has prepared11．—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 using12．—What’s the terrible noise?—The students ________ for a party.A．have prepared B．a(chǎn)re preparing C．prepare D．will prepare13．Listen! Someone __________ in the next room.A．sings B．sang C．was singing D．is singing14．—Mom, it’s so late. Why don’t you go to bed?—Your brother hasn’t e back yet. I ________ for him.A．wait B．a(chǎn)m waiting C．has waited D．waited15．—Tom, where39。根據(jù)題干中“Where is he?”可知要回答現(xiàn)在在哪里，用現(xiàn)在進(jìn)行時表示“正在圖書館學(xué)習(xí)”，其結(jié)構(gòu)為be doing；主語“he”是第三人稱單數(shù)，be動詞用is。故選B?？疾閯釉~時態(tài)?？疾楝F(xiàn)在進(jìn)行時?？疾闀r態(tài)?？疾楝F(xiàn)在進(jìn)行時。根據(jù)句中“Now”及句意可知，句中動作表示正在進(jìn)行，表達(dá)“正在播放”應(yīng)該用現(xiàn)在進(jìn)行時，其構(gòu)成是am/is/are doing。10．A【詳解】句意：你最好現(xiàn)在不要打擾凱西，因為她正在為明天的會議準(zhǔn)備演講?？疾閯釉~時態(tài)。12．B【詳解】句意：——那個糟糕的噪音是什么？——學(xué)生們正在準(zhǔn)備聚會。解析：D【詳解】句意：聽！有人正在旁邊的房間里唱歌。為什么你還不睡？ ——你哥哥還沒有回來。考查動詞的時態(tài)。故選B?？疾閯釉~時態(tài)。get變得。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)行解析：C【詳解】句意：——你好。故選C。