【正文】 根據(jù)前句“The zoo keeper is worried”的語(yǔ)境可知，后句動(dòng)作應(yīng)是解析：C【詳解】句意：動(dòng)物園管理員很擔(dān)心，因?yàn)橛慰蛿?shù)量越來(lái)越少。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。prepare準(zhǔn)備；is preparing現(xiàn)在進(jìn)行時(shí)；will prepare一般將來(lái)時(shí)；was prepa解析：A【詳解】句意：你最好現(xiàn)在不要打擾凱西，因?yàn)樗跒槊魈斓臅?huì)議準(zhǔn)備演講。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．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 bee4．—Hello! May I speak to Tom?—One moment! He _______ an .A．is sending B．sent C．sends D．was sending5．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking6．I must leave now. My brother ________ for me outside.A．waits B．waited C．is waiting D．was waiting7．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having8．I can’t lend you my English book, because I _______ it these days.A．use B．have used C．used D．a(chǎn)m using9．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning10．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording11．—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an online class.A．take B．took C．a(chǎn)m taking D．have taken12．—May I use your puter? —Sorry, I ________ on it.A．work B．worked C．have worked D．a(chǎn)m working13．— 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 worn14．Ladies and gentlemen, please remain in your seats, fasten your seat belt and bring your seat back. The plane________.A．takes off B．is taking off C．has taken off D．took off15．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flying D．flew16．—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．waited17．—Tom, where39。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered18．— Hello. May I speak to Laura, please?—Sorry, she39。考查時(shí)態(tài)。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。 ——他正在為下周舉行的英語(yǔ)演講比賽做準(zhǔn)備。故選B?？疾閯?dòng)詞時(shí)態(tài)和the number of的用法。考查動(dòng)詞時(shí)態(tài)。5．D【詳解】句意：——莉莉，你父親在哪里？——他正在廚房做飯。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D。考查現(xiàn)在進(jìn)行時(shí)的用法。考查現(xiàn)在進(jìn)行時(shí)。解析：B【詳解】句意：——你好，我可以和吉姆講話嗎？——對(duì)不起，他正在開(kāi)一個(gè)重要的會(huì)。故選B?？疾閯?dòng)詞時(shí)態(tài)。她正在打掃教室?？疾閯?dòng)詞時(shí)態(tài)。你哥哥正在手機(jī)上錄音。你哥哥正在手機(jī)上錄音。11．C【詳解】句意：——鮑勃，你能去遛遛狗嗎？——對(duì)不起，爸爸。我在上網(wǎng)課?？疾閯?dòng)詞時(shí)態(tài)。故選D。考查時(shí)態(tài)?？疾闀r(shí)態(tài)。飛機(jī)正在起飛?？疾闀r(shí)態(tài)?？疾橐话銓?lái)時(shí)?？疾橐话銓?lái)時(shí)。結(jié)合語(yǔ)境及選項(xiàng)，故選C?？疾楝F(xiàn)在進(jìn)行時(shí)。考查現(xiàn)在進(jìn)行時(shí)?？疾閯?dòng)詞的時(shí)態(tài)。根據(jù)問(wèn)句“—Tom, where39。我可以和勞拉講話嗎？——對(duì)不起，她不在家。我可以和勞拉講話嗎？——對(duì)不起，她不在家。根據(jù)上文“Hello. May I speak to Laura, please?”及下文“Sorry, she39。19．B【詳解】句意：——媽媽在哪里？——她正在廚房做飯。cooks烹飪，一般現(xiàn)在時(shí)；is cooking烹飪，現(xiàn)在進(jìn)行時(shí)；will cook烹飪，一般將來(lái)時(shí)；cooked烹飪，一般過(guò)去時(shí)。