【正文】 時態(tài)。我真得要走了?？疾閯釉~時態(tài)。我真得要走了。故選D?？疾閯釉~時態(tài)。根據(jù)句意可知，貝蒂不能加入我們是因為她正在打掃教室，強調(diào)此時此刻正在做什么，用現(xiàn)在進行時(am/is/are doi解析：D【詳解】句意：貝蒂不能和我們一起玩紙牌游戲。她正在打掃教室。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)在正在進行的，應(yīng)用現(xiàn)在進行時，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。10．C【詳解】句意：——湯姆，請幫我搬一下鋼琴?！罢谟谩睍r態(tài)是現(xiàn)在進行時。根據(jù)“Sorry...”及“I will give it to you later.”可知，抱歉，我稍后給你。我稍后給你?？疾閯釉~時態(tài)。9．B【詳解】句意：——杰克，你能把你的照相機借給我嗎？——抱歉，我正在用?？疾閯釉~時態(tài)。根據(jù)“What are you up to”可知，答語要用現(xiàn)在進行時，表示現(xiàn)在正在進行的動作，結(jié)構(gòu)為a解析：C【詳解】句意：——嗨，大明。你在忙什么？——我正在做一個關(guān)于家族史的項目。根據(jù)“Tony, hurry up! We…for you now.”可知，此處強調(diào)動作正在發(fā)生，用現(xiàn)在進行時，故選D?！@就來?？疾楝F(xiàn)在進行時。7．D【詳解】句意：——托尼，快點！我們現(xiàn)在在等你。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語書借給你，說明這些天我在用它，符合語境；所以句子時態(tài)應(yīng)為現(xiàn)在進行時。根據(jù)“I can’t lend you my English book...”可知，我不能把我的英語書借給你，說明這解析：D【詳解】句意：我不能把我的英語書借給你，因為這些天我在用它。6．D【詳解】句意：我不能把我的英語書借給你，因為這些天我在用它。主語he后接be動詞is?？疾楝F(xiàn)在進行時。故選B。根據(jù)“now”可知要用現(xiàn)在進行時，其結(jié)構(gòu)為be doing。5．B【詳解】句意：——你好，我可以和吉姆講話嗎？——對不起，他正在開一個重要的會。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進行時，結(jié)構(gòu)：am/is/are+動詞ing，主語My brother是第三人稱單數(shù)，故be動詞用is。根據(jù)“I must leave now.”可知，我哥哥現(xiàn)在正在外面等我，時態(tài)是現(xiàn)在進行時，結(jié)構(gòu)：am/is/are+解析：C【詳解】句意：我現(xiàn)在必須離開了，我哥哥正在外面等我。4．C【詳解】句意：我現(xiàn)在必須離開了，我哥哥正在外面等我。考查時態(tài)?？疾闀r態(tài)。故選C。gets動詞的第三人稱單數(shù)；got動詞的過去式；is getting現(xiàn)在進行時；was getting過去進行時。根據(jù)題解析：C【詳解】句意：天正在變黑，我可以打開燈嗎？考查現(xiàn)在進行時。get變得。touch摸，主語they是復(fù)數(shù)人稱，系詞需用are，故選D?？疾閯釉~時態(tài)辨析。look“看”用于提醒，后面的句子需用現(xiàn)在進行時“be doing”結(jié)構(gòu)。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered19．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening20．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making21．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had22．Joe, answer the phone for me. I ________ how to make dumplings in the kitchen.A．learned B．a(chǎn)m learning C．have learned D．learn23．The students in our group ________ the final preparation for the match. We are sure to win.A．made B．a(chǎn)re making C．make D．will make24．— 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．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves26．—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．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling29．Betty can’t join us in the game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning30．—I _______ a book