【正文】 士們，先生們，請留在座位上，系好安全帶，請將座椅靠背調整好。故選C?？疾楝F(xiàn)在進行時的用法。考查時態(tài)。故選C?？疾閯釉~時態(tài)和the number of的用法。——沒問題?！獩]問題?？疾闀r態(tài)?？疾闀r態(tài)。故選B。 考查現(xiàn)在進行時?？疾閯釉~時態(tài)。他們正在開派對。根據(jù)“now”可知要用現(xiàn)在進行時，其結構為be doing。主語he后接be動詞is。故選C?？疾楝F(xiàn)在進行時的用法。s not at home.”可知，這里是現(xiàn)在進行時，其結構是be doing的形式。她正在圖書館看書。她正在圖書館看書。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進行，應用現(xiàn)在進行時，構成形式為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。s dad?—Oh, he ________ the flowers in the garden.A．waters B．is watering C．watered D．has watered20．Excuse me. I really need to go now. My children _____________for me at school.A．a(chǎn)re waiting B．waits C．wait D．waited21．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing22．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．You’d better not go this way. The workers _________ the road. A．have repaired B．a(chǎn)re repairing C．repaired D．will repair24．— Helen, how was your English petition on Monday?— I have no idea, I _________ for the result. I was told it would e out in two days.A．was waiting B．waited C．will wait D．a(chǎn)m waiting25．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking26．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook27．—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 lost28．—Lucy, where is Mimi?—She ________ under the chair.A．sleeps B．slept C．is sleeping D．will sleep29．—Where is your father, Lily?—He ________ in the kitchen.A．cooked B．cooks C．will cook D．is cooking30．— Tina, the TV show has already been on. Come and watch together. — Wait a moment. I ________ coffee in the kitchen.A．a(chǎn)m making B．have made C．make D．made31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．a(chǎn)m working C．have worked D．worked32．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared33．Sorry, you can’t take the eraser away, Tony. I ________ it.A．have used B．used C．was using D．a(chǎn)m using34．Mum ________ fish in the kitchen. It smells so good.A．cooks B．is cooking C．was cooking D．will cook35．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing36．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair37．It’s 4 o’clock in the afternoon. Ms. Green ________ afternoon tea with her friends.A．has B．is having C．had D．was having38．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 out39．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D