【正文】 dance12．You’d better not disturb Kathy now as she ________ her speech for tomorrow’s meeting.A．is preparing B．will prepare C．was preparing D．has prepared13．—What’s the terrible noise?—The students ________ for a party.A．have prepared B．a(chǎn)re preparing C．prepare D．will prepare14．Listen! Someone __________ in the next room.A．sings B．sang C．was singing D．is singing15．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read16．—I _____to Beijing tomorrow. —Have a good trip!A．flies B．fly C．a(chǎn)m flying D．flew17．—Where is Frank?—He _________ to music in his room.A．listens B．is listening C．listened D．was listening18．—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 about19．— Hello. May I speak to Laura, please?—Sorry, she39。s not at home. She___________in the library.A．read B．reads C．is reading D．was reading20．—Peter, please be quiet. Your brother ________ on the phone.—No problem.A．records B．recorded C．was recording D．is recording21．—Ethan, let’s go to play basketball, shall we?—Sorry, I can’t. I ________Yao Ming’s game. Would you mind going later?A．watch B．have watched C．a(chǎn)m watching D．was watching22．— 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．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking24．—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 lost25．I can’t hear you. I ______ to an English speech.A．a(chǎn)m listening B．listen C．was listening26．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making27．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling28．— 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 have29．Listen! The birds ________ happily in the tree outside the window.A．sing B．sang C．a(chǎn)re singing D．were singing30．— 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．made31．You had better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair32．—Where’s Nick?—He ________ classes at school.A．had B．will have C．is having D．was having33．— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A．clean B．cleaned C．a(chǎn)m cleaning D．have cleaned34．—Maggie, could you help pick up the phone? It ________.—OK,