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考点跟踪突破27动词的时态一、用括号中所给单词的适当形式填空。1We each play (play) WeChat nowadays, even the old people.2There is someone knocking at the door.It must be the computer repairman. I (have)_called (call) him to come to fix my computer.3Many scientists believe that robots will_be (be) able to talk like humans in 50 years.4I have_visited (visit) the History Museum twice. Ive learned a lot there.5There will_be (be) an important football match in our school tomorrow.6Our physics teacher told us that light travels (travel) faster than sound. 7I shouted to you at the gate, but you didnt hear me.Really? I was_making (make) a telephone call to my mother.8Sun Hai was_helping (help) his mother make dinner when his father got home from work. 9This museum has_been here for over 80 years. It is one of the oldest buildings in this city.(be)10Oh, no! I left (leave) the book in the lab.11Everyone wants to reach the top of the mountain, but all the happiness happens while you are_climbing (climb) it.12Look! The children are_planting (plant) trees on the hill.13This medicine has_saved (save) millions of peoples lives since it was put into use.14Where are you going, Bob?To go hiking. Eric is_waiting (wait) for me at the school gate!15I still remember my happy childhood when my mother took (take) me to Disneyland at weekends.16I will tell him the truth as soon as he comes (come) back.17He wont leave the office unless he finishes (finish) his work.18We were in Hangzhou last week and had (have) great time there.19Bob wants to know if you will_go (go) for a picnic tomorrow.Yes. But we will at home if it rains (rain)20It is very cold these days. It will_snow (snow) soon.二、用方框中所给单词的适当形式填空。21The old woman is upset because she missed her children.22I asked Linda if she was ready to go, and she nodded 23Tina spread the news that you are going to Paris, so everyone knows that.24Mary was_watching TV when I called her list night.25Helen doesnt feel well and her mother suggests that she should see a doctor.26Be careful! She filled the cup with hot tea.27My uncle works in a factory that produces toy cars.28We dont know the number of people who died of cancer so far.29After the heavy rain, a beautiful rainbow appears in the sky.30In the future, humans will_discover more secrets of nature.三、根据短文内容，用括号中所给动词的适当形式填空。Since 1946, one of the most important inventions has been the computer. It has been changing all our lives.American 31.made (make) the first computer in 1946. It 32.was (be) as large as a room and quite difficult and slow 33.to_use ( use). But since the invention of silicon “chip”(硅片), computers 34.have_become ( become) smaller, easier and faster to operate. Some computers are as small as TV sets. Some can even 35.be (be) smaller than a book. And computers 36.are_getting( get) smaller and smaller all the time. Who knows what the computers of tomorrow 37.will_be (be) like? There 38.are (be) several reasons why the computer is useful to us. First, a lot of information can be put into computers. Second, the computer 39.works (work) very quickly thousands of times faster than a man and it will not be tired. Third, modern computers can be built into other kinds of machines, like radios, cars and planes. So today people can spend less time 40.doing ( do) more work with a computer.
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