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B.was cleaning C.has cleaned D.is cleaning4.I must leave now. My brother ________ for me outside.A.waits B.waited C.is waiting D.was waiting5.The noise es from the boys. They _______ a party.A.have B.a(chǎn)re having C.will have D.have had6.—Where is John?—He is in the kitchen. He ________ the dishes now.A.will wash B.is washing C.washes D.washed7.— Tom, where is your little sister?— She _______ in the backyard now.A.is playing B.will play C.played D.plays8.—Tony, hurry up! We ________ for you now.—Just one minute.A.wait B.waited C.have waited D.a(chǎn)re waiting9.—Where is your father, David?—He ________ the car in the garden.A.will wash B.washed C.is washing D.was washing10.—Hi, Daming. What are you up to?—I ________ a project about family history.A.do B.did C.a(chǎn)m doing D.was doing11.Betty can’t join us in the card game. She ________ the classroom.A.has cleaned B.was cleaning C.has cleaned D.is cleaning12.— Where are the officers? — Look! They ________ the elephant in the palace now.A.touched B.will touch C.touch D.a(chǎn)re touching13.Excuse me. I really need to go now. My children _____________for me at school.A.a(chǎn)re waiting B.waits C.wait D.waited14.—I can39。s time for school. Why not get on the bus?—Linda hasn39。s go to the cinema. There’s a new movie called Avengers IV. —Not now, I _____________ my brother David with his math.A.help B.helped C.a(chǎn)m helping D.have helped19.—Hey! You nearly hit the tree! What’s up?— Sorry, I ________ the trip to my hometown.A.think about B.a(chǎn)m thinking about C.was thinking about D.thought about20.Be quiet, please. They _________ a meeting now.A.have B.had C.a(chǎn)re having D.were having21.Don’t make any noise, Jim! Your little sister ________ now.A.sleeps B.slept C.is sleeping D.will sleep22.— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A.a(chǎn)m cleaning B.will clean C.was cleaning D.have cleaned23.— 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 waiting24.— 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.prepared25.My father ________ Beijing next week.A.leaves for B.is leaving for C.left D.leaves26.—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 lost27.—Lucy, where is Mimi?—She ________ under the chair.A.sleeps B.slept C.is sleeping D.will sleep28.I can’t hear you. I ______ to an English speech.A.a(chǎn)m listening B.listen C.was listening29.—Hello! May I speak to Tom?—One moment! He _______ an .A.is sending B.sent C.sends D.was sending30.—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A.do B.a(chǎn)m doing C.did31.You’