— Tom says he is too tired to go on.— He can"t be. He ________for an hour.A. jus
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— Tom says he is too tired to go on. — He can"t be. He ________for an hour. |
A. just worked B. has only been working C. has just worked D. had only been working |
答案
举一反三
Traffic conditions in Beijing________for decades. At first people only complained about jams during rush hours,but today every hour is rush hour. |
[ ] |
A. is worsening B. have worsened C. have been worsening D. worsened |
In order to find the missing child, villagers ________ all they can over the past five hours. |
[ ] |
A. did B. do C. had done D. have been doing |
The manager ________ the workers how to improve the program since 9 am. |
[ ] |
A. has told B. is telling C. has been telling D. will have told |
Now that she is out of work, Lucy going back to school, but she hasn"t decided yet. |
[ ] |
A. had considered B. considered C. has been considering D. is going to consider |
I"m tired out. I _____ all afternoon and I don"t seem to have finished anything. |
A. have been shopping B. shopped C. have shopped D. had shopped |
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