【正文】 happily in the tree outside the window.A．sing B．sang C．are singing D．were singing12．— Lena, I guess you were in a hurry this morning. You ________ your sweater inside out.— Oh my god, I’ll have it changed immediately.A．wore B．are wearing C．were wearing D．have worn13．—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．—Mom, it’s so late. Why don’t you go to bed?—Your brother hasn’t e back yet. I ________ for him.A．wait B．am waiting C．has waited D．waited15．—Mary, let39。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．am helping D．have helped16．—Tom, where39。t seen each other for a long time.A．Do。 expecting C．Were。 expect18．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening19．It dark. Shall I turn on the light？A．gets B．got C．is getting D．was getting20．Now ABC Cinema on Forest Road ________ the old film called Roman Holiday.A．is show B．is showing C．is showed D．is on21．— 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．— Mom, I’m busy making the bed. Can you give me a hand? — Wait a moment. I ________ the floor.A．am cleaning B．will clean C．was cleaning D．have cleaned23．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking24．—Where is your mother, Kitty?—She ________ dinner in the kitchen.A．cooks B．cooked C．is cooking D．will cook25．—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 made26．I can’t hear you. I ______ to an English speech.A．am listening B．listen C．was listening27．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．are making D．were making28．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling29．—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．You had better not go this way. The workers _________ the road.A．have repaired B．are repairing C．repaired D．will repair32．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having33．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．are facing34．Sorry, you can’t take the eraser away, Tony. I ________ it.A．have used B．used C．was using D．am using35．— Shh, don’t make noise! Mrs. Smith ________ the latest news in the studio.— I’m sorry about that.A．pre