【正文】 used C．used D．am using8．Be quiet, please. They _________ a meeting now.A．have B．had C．are having D．were having9．—What about going to the cinema? There’s a new movie called Hi, Mom.—Not now, I ________ my brother Tony with his English.A．help B．helped C．am helping D．have helped10．Excuse me. I really need to go now. My children _____________for me at school.A．are waiting B．waits C．wait D．waited11．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．am using C．have used D．was using12．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 off13．—Yesterday I received a letter from .—You did? I hear he________for America next year.A．has left B．leaves C．left D．is leaving14．—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．Grandma ________ dinner. Let’s go and help her.A．is making B．makes C．made D．was making21．— Tina, the TV show has already been on. Come and watch together. — Wait a moment. I ________ coffee in the kitchen.A．am making B．have made C．make D．made22．—Has your aunt finished writing her novel?—Not yet. She ________ it these days.A．wrote B．writes C．is writing D．will write23．You’d better not go this way. The workers _________ the road. A．have repaired B．are 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．am 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．My father ________ Beijing next week.A．leaves for B．is leaving for C．left D．leaves27．—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 made28．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling29．—What’s that noise, Mike?—My little sister ________ with her toy car now.A．plays B．played C．will play D．is playing30．— 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．— Dad, I can’t work out this math problem. Can you give me a hand?— Wait a moment. I ________ on the phone.A．am talking B．will talk C．was talking D．have talked33．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having34．—I can’t find David. Where is he?— He________ for