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ten your seat belt and bring your seat back. The plane________.A.takes off B.is taking off C.has taken off D.took off14.—I can39。t find Mike in the classroom. Where is he?—Oh, he ________ in the library.A.was studying B.studied C.is studying D.studies15.—It39。t e yet. I ___________for her.A.have waited B.a(chǎn)m waiting C.was waiting D.waited16.—Hurry up!—One moment. I ________ my s.A.reading B.a(chǎn)m reading C.was reading D.have read17.—Mary, let39。s dad?—Oh, he ________ the flowers in the garden.A.waters B.is watering C.watered D.has watered19.—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.—Hello, may I speak to Jim?—Sorry, he ________ an important meeting now.A.has B.is having C.will have D.was having21.— 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.made22.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.— 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.prepared26.—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.—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A.falls B.fell C.is falling D.was falling29.—Where is your father, David?—He ________ the car in the garden.A.will wash B.washed C.is washing D.was washing30.Don’t make any noise, Jim! Your little sister ________ now.A.sleeps B.slept C.is sleeping D.will sleep31.—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.— Tom, what’s your sister doing?— She ________ her homework in the study.A.does B.will do C.did D.is doing33.—Where’s Nick?—He ________ classes at school.A.had B.will have C.is having D.was having34.My grandma ________ the old photos. There is a big smile on her face.A.enjoys B.enjoyed C.will enjoy D.is enjoying35.—Jane,where are you?—Dad,I________ the car in the driveway. It is really dirty.A.wash B.will wash C.a(chǎn)m washing D.was washing36.Be quiet! The students ________ an English exam.A.take B.a(chǎn)re taking C.took D.have made37.— Ruby, can you help do the dishes?— Just a moment, Mom.