【正文】 m.A．has cleaned B．was cleaning C．has cleaned D．is cleaning10．Listen! Someone __________ in the next room.A．sings B．sang C．was singing D．is singing11．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．plays B．played C．will play D．is playing12．—Yesterday I received a letter from .—You did? I hear he________for America next year.A．has left B．leaves C．left D．is leaving13．— Hurry up, Mary. The movie has already been on for ten minutes. —Wait a moment. I ________ some snacks in a shop.A．buy B．bought C．am buying D．have bought14．—Hurry up!—One moment. I ________ my s.A．reading B．am reading C．was reading D．have read15．—Mary, let39。 expect B．Are。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．—What’s the terrible noise?—The students ________ for a party.A．have prepared B．are preparing C．prepare D．will prepare21．Be quiet. Your brother ________ classes online.A．has B．is having C．will have D．had22．You had better not go this way. The workers _________ the road.A．have repaired B．are repairing C．repaired D．will repair23．— 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．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves25．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook26．—Lily, where is our father now? Go and get him for lunch. —Just a moment, please. Father ________ a phone call in his room.A．is making B．was making C．makes D．has made27．I can’t hear you. I ______ to an English speech.A．am listening B．listen C．was listening28．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．are making D．were making29．—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A．has B．is having C．will have D．was having30．— 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 have31．—Mary, may I use your ipad for an hour?—Sorry. I ________ on it.A．work B．am working C．have worked D．worked32．Don’t make any noise, Jim! Your little sister ________ now.A．sleeps B．slept C．is sleeping D．will sleep33．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing34．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking35．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing36．—Bob, can you take the dog for a walk?—Sorry, Dad. I ________ an online class.A．take B．took C．am taking D．have taken37．Betty can’t join us in the card game. She ________ the classroom.A．has cleaned B．was cleaning C．has cleaned D．is cleaning38．—Jack, can you lend me your camera?—Sorry, I_______