【正文】 以打開(kāi)燈嗎？考查現(xiàn)在進(jìn)行時(shí)。故選B?？疾榫渥拥臅r(shí)態(tài)。根據(jù)上文“解析：B【詳解】句意：——你看起來(lái)心不在焉。我的一個(gè)老朋友要來(lái)了。s dad?”可知，答語(yǔ)“他在澆花”應(yīng)是現(xiàn)在進(jìn)行時(shí)。waters一般現(xiàn)在時(shí)；is watering現(xiàn)在進(jìn)行時(shí)；watered一般過(guò)去時(shí)；has watered現(xiàn)解析：B【詳解】句意：——湯姆，爸爸在哪兒？ ——喔，他正在花園里的澆花。wait表一般現(xiàn)在時(shí)；am waiting表現(xiàn)在進(jìn)行時(shí)；has waited表現(xiàn)在完成時(shí)；waited表一般過(guò)去時(shí)。wait表一般現(xiàn)在時(shí)；am waiting表現(xiàn)在進(jìn)行時(shí)；has waited表現(xiàn)在解析：B【詳解】句意：——媽媽，現(xiàn)在很晚了。16．B【詳解】句意：——媽媽，現(xiàn)在很晚了。根據(jù)“Listen!”可知，本句時(shí)態(tài)是現(xiàn)在進(jìn)行時(shí)，主語(yǔ)“Someone”表單數(shù)，故選D?？疾闀r(shí)態(tài)。故選A?？疾闀r(shí)態(tài)。我在修我的車。我在修我的車。根據(jù)句意可知，貝蒂不能加入我們是因?yàn)樗诖驋呓淌?，?qiáng)調(diào)此時(shí)此刻正在做什么，用現(xiàn)在進(jìn)行時(shí)(am/is/are doing)?？疾閯?dòng)詞時(shí)態(tài)?？疾閯?dòng)詞時(shí)態(tài)辨析?？疾閯?dòng)詞時(shí)態(tài)辨析。根據(jù)前句“Not now”語(yǔ)境可知，后句的動(dòng)作正在進(jìn)行，應(yīng)用現(xiàn)在進(jìn)行時(shí)，構(gòu)成形式為be doing；主語(yǔ)“I”是第一人稱單數(shù)形式，故助動(dòng)詞應(yīng)用am；help的現(xiàn)在分詞是helping。考查動(dòng)詞時(shí)態(tài)。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(yǔ)結(jié)構(gòu)是：be+動(dòng)詞的現(xiàn)在分詞。will wash動(dòng)詞的一般將來(lái)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。故選D?？疾閯?dòng)詞時(shí)態(tài)。根據(jù)“now”可知要用現(xiàn)在進(jìn)行時(shí)，其結(jié)構(gòu)為be doing。主語(yǔ)he后接be動(dòng)詞is。故選D。根據(jù)句中“解析：D【詳解】句意：聽(tīng)！這個(gè)男孩又在彈鋼琴了。故選C?？疾楝F(xiàn)在進(jìn)行時(shí)的用法。根據(jù)“Where’s your father, Lily?”可知，此處是詢問(wèn)當(dāng)前的情況，表示正在做某事，用現(xiàn)在進(jìn)行時(shí)，故選解析：D【詳解】句意：——莉莉，你父親在哪里？——他正在廚房做飯。根據(jù)語(yǔ)境可知，英語(yǔ)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(shí)；其結(jié)構(gòu)是：be（am/is /are）+動(dòng)詞的現(xiàn)在分詞。根據(jù)語(yǔ)解析：B【詳解】句意：——我有幾天沒(méi)見(jiàn)到杰克了。2．B【詳解】句意：——我有幾天沒(méi)見(jiàn)到杰克了。根據(jù)“What are you up to”可知，答語(yǔ)要用現(xiàn)在進(jìn)行時(shí)，表示現(xiàn)在正在進(jìn)行的動(dòng)作，結(jié)構(gòu)為a解析：C【詳解】句意：——嗨，大明。 expecting D．Did。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered18．—You look absentminded. ________you ________someone?—Yes. An old friend of mine is ing. We haven39。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．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking4．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．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having7．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using8．—Where is John?—He is in the kitchen. He ________ the dishes now.A．will wash B．is washing C．washes D．washed9．—What about going to the cinema? There’s a new movie called Hi, Mom.—Not now, I ________ my brother Tony with his English.A．help B．helped C．a(chǎn)m helping D．have helped10．Be quiet, please. They _________ a meeting now.A．have B．had C．a(chǎn)re having D．were having11．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning12．—Tom, please give me a hand in moving the piano. —Sorry. I ________ my car.A．repair B．repaired C．a(chǎn)m repairing D．have repaired13．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 prepared14．—What’s the terrible noise?—The students ________ for a party