【正文】 epaired D．will repair24．— 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 cleaned25．—What is your mother doing, Linda? —She ________ dinner in the kitchen now.A．is cooking B．was cooking C．cooks D．cooking26．—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．Xifeng Street is closed today because workers _______ some repairs.A．make B．made C．a(chǎn)re making D．were making29．Look, many people ________ in the park.A．dance B．danced C．a(chǎn)re dancing D．will dance30．—Tina, let’s go out for shopping.—Sorry, Amy. I __________ my homework.A．do B．a(chǎn)m doing C．did31．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．— Dad, I can’t work out this math problem. Can you give me a hand?— Wait a moment. I ________ on the phone.A．a(chǎn)m talking B．will talk C．was talking D．have talked33．— Where is Tom?— Look! He ________with the teacher over there.A．talk B．talks C．talked D．is talking34．My grandma ________ the old photos. There is a big smile on her face.A．enjoys B．enjoyed C．will enjoy D．is enjoying35．— Amy, can you answer the door? I ________ the room.— I’m ing, Mum.A．clean B．cleaned C．a(chǎn)m cleaning D．have cleaned36．Many children in South Sudan ________ the trouble of hunger at the moment.A．face B．faces C．is facing D．a(chǎn)re facing37．Be quiet! The students ________ an English exam.A．take B．a(chǎn)re taking C．took D．have made38．—Maggie, could you help pick up the phone? It ________.—OK, Mum.A．rings B．rang C．will ring D．is ringing39．—John, how was your interview on Monday?—No idea. I for the result. I was told it would e in two days.A．wait B．waited C．will wait D．a(chǎn)m waiting40．—Look out! Something ________ down from the tree.—Dear me! It’s too dangerous.A．falls B．fell C．is falling D．was falling【參考答案】一、選擇題1．D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作?？疾閯釉~時態(tài)。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進行，應用現(xiàn)在進行時，構成形式為be do解析：D【詳解】句意：——我可以用你的電腦嗎？——對不起，我正在用它工作。考查動詞時態(tài)。根據(jù)答語“Sorry, I… on it.”的語境可推斷出，動作正在進行，應用現(xiàn)在進行時，構成形式為be doing；主語“I”是第一人稱單數(shù)形式，be用am，work的現(xiàn)在分詞是working。故選D。2．B【詳解】句意：——嘿！你差點撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅?？疾閯釉~時態(tài)。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進行時；was th解析：B【詳解】句意：——嘿！你差點撞到樹了！怎么了？——對不起，我在想我的家鄉(xiāng)之旅?？疾閯釉~時態(tài)。think about思考，一般現(xiàn)在時；am thinking about現(xiàn)在進行時；was thinking about過去進行時；thought about一般過去時。根據(jù)上文“You nearly hit the tree! What’s up”可知，這件事發(fā)生在現(xiàn)在，且結合語境可知，我快要撞到樹上時正在思考家鄉(xiāng)之旅，故此處應為現(xiàn)在進行時。故選B。3．A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件?？疾閯釉~時態(tài)。根據(jù)前面的“One moment!”可知，判斷設空處的動作“發(fā)送電子郵件”在說話時刻正在進行著，所以用解析：A【詳解】句意：——你好！我可以和湯姆講話嗎？——等一下，他正在發(fā)電子郵件?？疾閯釉~時態(tài)。根據(jù)前面的“One moment!”可知，判斷設空處的動作“發(fā)送電子郵件