【正文】 】句意：——Lena，我想今天早上你很匆忙?！?，天吶！我馬上把它換過來。13．B【詳解】句意：——Lena，我想今天早上你很匆忙。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be doing；主語“I”是第一人稱單數(shù)形式，be用am，work的現(xiàn)在分詞是working。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時，構(gòu)成形式為be do解析：D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作。12．D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作?！罢谟谩睍r態(tài)是現(xiàn)在進(jìn)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。考查動詞時態(tài)。11．B【詳解】句意：——杰克，你能把你的照相機(jī)借給我嗎？——抱歉，我正在用?？疾闀r態(tài)。你哥哥正在手機(jī)上錄音。考查時態(tài)。你哥哥正在手機(jī)上錄音。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D?？疾閯釉~時態(tài)。考查動詞時態(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?？疾楝F(xiàn)在進(jìn)行時。故選C?？疾楝F(xiàn)在進(jìn)行時的用法?？疾楝F(xiàn)在進(jìn)行時的用法。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。5．C【詳解】句意：聽!鳥兒在窗外的樹上快樂地歌唱。根據(jù)問句“What’s that noise, Mike?”可知，提到的聲響是現(xiàn)有的，結(jié)合答句中“now”可知，是說現(xiàn)在正在進(jìn)行的動作，用現(xiàn)在進(jìn)行時。根據(jù)問句“What’s that noise, Mike?”可知，提到的聲響是現(xiàn)有的，結(jié)合答句中“now”解析：D【詳解】句意：——邁克，那是什么聲音？——我的弟弟現(xiàn)在正在玩他的玩具汽車。4．D【詳解】句意：——邁克，那是什么聲音？——我的弟弟現(xiàn)在正在玩他的玩具汽車。考查動詞時態(tài)。考查動詞時態(tài)。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。prepare準(zhǔn)備；is preparing現(xiàn)在進(jìn)行時；will prepare一般將來時；was preparing過去進(jìn)行時；has prepared現(xiàn)在完成時；根據(jù)時間狀語“now”可知，句子時態(tài)采用現(xiàn)在進(jìn)行時。prepare準(zhǔn)備；is preparing現(xiàn)在進(jìn)行時；will prepare一般將來時；was prepa解析：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。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．—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．— 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 cleaned23．— 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．prepared24．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking25．I can’t hear you. I ______ to an English speech.A．a(chǎn)m listening B．listen C．was listening26．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling27．—Where’s Kelly, Mum?—She ________ a poster for the munity in her bedroom.A．makes B．will make C．made D．is making28．— May I speak to Mr. Brown?— I am sorry. He ________ an important meeting in his office now.A．has B．had C．is having D．will have29．Look, many people ________ in the park.