【正文】 better not go this way. The workers _________ the road.A．have repaired B．a(chǎn)re repairing C．repaired D．will repair23．— 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 cleaned24．— 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．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．—I _______ a book report now. Can I talk to you later?—No problem.A．write B．wrote C．a(chǎn)m writing D．was writing29．—Jack, can you lend me your camera?—Sorry, I________ it. I will give it to you later.A．used B．a(chǎn)m using C．have used D．was using30．— Tom, what’s your sister doing?— She ________ her homework in the study.A．does B．will do C．did D．is doing31．Joe, answer the phone for me. I ________ how to make dumplings in the kitchen.A．learned B．a(chǎn)m learning C．have learned D．learn32．—I can’t find David. Where is he?— He________ for tomorrow’s petition at home.A．prepares B．is preparing C．has prepared D．prepared33．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying34．— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A．clean B．cleaned C．a(chǎn)m cleaning D．have cleaned35．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made36．— Ruby, can you help do the dishes?— Just a moment, Mom. I ________ the flowers.A．water B．a(chǎn)m watering C．watered D．have watered37．Mum ________ fish in the kitchen. It smells so good.A．cooks B．is cooking C．was cooking D．will cook38．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing39．—Tom, where is your father?—He ________ my bike.A．is repairing B．repairs C．has repaired D．will repair40．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did【參考答案】一、選擇題1．C【詳解】句意：——我在教室里找不到邁克了。t e yet. I ___________for her.A．have waited B．a(chǎn)m waiting C．was waiting D．waited15．—Yesterday I received a letter from .—You did? I hear he________for America next year.A．has left B．leaves C．left D．is leaving16．— Hurry up, Mary. The movie has already been on for ten minutes. —Wait a moment. I ________ some snacks in a shop.A．buy B．bought C．a(chǎn)m buying D．have bought17．—Hurry up!—One moment. I ________ my s.A．reading B．a(chǎn)m reading C．was reading D．have read18．—Mary, let39。t seen Jack for a couple of days. —He ________ for the English speaking petition which will take place next w