考点跟踪突破 27 动词的时态一、用括号中所给单词的合适形式填空。1．We each play (play) WeChat nowadays, even the old people.2．—There is someone knocking at the door.—It must be the computer repairman. I ( have ) _called (call) him to come to fix my computer.3 ． Many scientists believe that robots will_be (be) able to talk like humans in 50 years.4 ． I have_visited (visit) the History Museum twice. I've learned a lot there.5．There will_be (be) an important football match in our school tomorrow.6．Our physics teacher told us that light travels (travel) faster than sound. 7．—I shouted to you at the gate, but you didn't hear me.—Really? I was_making (make) a telephone call to my mother.8．Sun Hai was_helping (help) his mother make dinner when his father got home from work. 9．This museum has_been here for over 80 years. It is one of the oldest buildings in this city.(be)10．Oh, no! I left (leave) the book in the lab.11．Everyone wants to reach the top of the mountain, but all the happiness happens while you are_climbing (climb) it.12．Look! The children are_planting (plant) trees on the hill.13．This medicine has_saved (save) millions of people's lives since it was put into use.14．—Where are you going, Bob?—To go hiking. Eric is_waiting (wait) for me at the school gate!15．I still remember my happy childhood when my mother took (take) me to Disneyland at weekends.16．I will tell him the truth as soon as he comes (come) back.17．He won't leave the office unless he finishes (finish) his work.18．We were in Hangzhou last week and had (have) great time there.19．—Bob wants to know if you will_go (go) for a picnic tomorrow.—Yes. But we will at home if it rains (rain)．20．It is very cold thes...
