【正文】 考查動詞的時態(tài)。根據(jù)“can you take the dog for a walk?”以及回答“Sorry, Dad.”可知句子時態(tài)應(yīng)用現(xiàn)在進(jìn)行時，其結(jié)構(gòu)為be+動詞的現(xiàn)在分詞，主語是I，be動詞用am，take的現(xiàn)在分詞是taking，故選C。根據(jù)“Tom, where is your father?”可知要回答現(xiàn)在在做什么，用現(xiàn)在進(jìn)行時，其結(jié)構(gòu)為am/is/are doing。——好的，媽媽。解析：B【詳解】句意：媽媽正在廚房煮魚。根據(jù)語境可知，為了讓對方安靜下來，此句應(yīng)強調(diào)學(xué)生現(xiàn)在正在考試這個事情；強調(diào)此刻正在進(jìn)行的動作，時態(tài)應(yīng)用現(xiàn)在進(jìn)行時，其構(gòu)成為“be解析：B【詳解】句意：安靜點！學(xué)生們正在參加英語考試。考查時態(tài)辨析。do做，是一個動詞。根據(jù)“Can you give me a hand?”和“Wait a moment.”可知解析：A【詳解】句意：——爸爸，我解不出這道數(shù)學(xué)題。工人們正在修路?？疾楝F(xiàn)在進(jìn)行時。根據(jù)“Sorry...”及“I will give it to you later.”可知，抱解析：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。根據(jù)“where is your father now”可知是問父親現(xiàn)在正在解析：A【詳解】句意：——麗麗，我們的父親現(xiàn)在在哪里？去叫他來吃午飯。故選C?？疾楝F(xiàn)在進(jìn)行時的用法?？疾閯釉~時態(tài)?？疾閯釉~時態(tài)辨析?？疾闀r態(tài)。考查動詞時態(tài)?？疾闀r態(tài)。 考查現(xiàn)在進(jìn)行時。19．B【詳解】句意：——嘿！你差點撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅。18．B【詳解】句意：——湯姆，爸爸在哪兒？ ——喔，他正在花園里的澆花?？疾闀r態(tài)?？疾閯釉~的的時態(tài)。根據(jù)next year可知是一般將來時態(tài)?！娴?？ 我聽說他明年要去美國?？疾闀r態(tài)。考查動詞時態(tài)。考查動詞時態(tài)?？疾楝F(xiàn)在進(jìn)行時?？疾閯釉~時態(tài)。根據(jù)句意“…before there is none l解析：B【詳解】句意：我的油快要用完了?？疾楝F(xiàn)在進(jìn)行時?？疾閯釉~時態(tài)?？疾閯釉~時態(tài)。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)行時的用法。根據(jù)語境可知，英語演講比賽下周舉行，杰克現(xiàn)在應(yīng)該是正在準(zhǔn)備，因此用現(xiàn)在進(jìn)行時；其結(jié)構(gòu)是：be（am/is /are）+動詞的現(xiàn)在分詞。2．B【詳解】句意：——我有幾天沒見到杰克了。t seen Jack for a couple of days. —He ________ for the English speaking petition which will take place next week.A．will prepare B．is preparing C．has prepared D．was preparing3．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing4．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting5．Listen! The boy ________ the piano again.A．plays B．played C．will play D．is playing6．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using7．The noise es from the boys. They _______ a party.A．have B．a(chǎn)re having C．will have D．have had8．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed9．My oil ________. I must go to the gas station before there is none left.A．has run out B．is running out C．has been run out D．is being run out10．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making11．— Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.— I’m sorry about that.A．presents B．presented C．has presented D．is presenting12．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．do B．did C．a(chǎn)m doing D．have done13．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working14．— Lena, I guess you were in a hurry this morning. You ________ your sweater inside out.— Oh my god, I’ll have it changed immediately.A．wore B．a(chǎn)re wearing C．were wearing D．have worn15．—Yesterday I received a letter from .—You did? I hear he________for America next year.A．has left B．leaves C．left D．is leaving16．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read17．—Mary, let39?？疾閯釉~時態(tài)。 ——他正在為下周舉行的英語演講比賽做準(zhǔn)備?？疾楝F(xiàn)在進(jìn)行時。5．D【詳解】句意：聽！這個