将来完成进行时:语法专练
1. By the time we get to Chicago this evening, we _____________(drive) more than four hundred miles. We are going to be exhausted.
2. When Sarah goes on vacation next month, she _____________(study) German for over two years. She should be able to communicate fairly well while she is in Austria.
当莎拉下个月去度假的时候,她已经学习了两年德语了。她到澳大利亚的时候应该感觉相当好。
3. I have not traveled much yet; however, I _____________(visit) the Grand Canyon and San Francisco by the time I leave the United States.
4. By the time you finish studying the verb tense tutorial, you _____________(master) all twelve tenses including their passive forms.
5. Drive faster! If you don't hurry up, she _____________(have) the baby by the time we get to the hospital.
快点开!如果你不快点,她可能在我们到达医院前就要生了。
6. I came to England six months ago. I started my economics course three months ago. When I return to Australia, I _____________(study) for nine months and I _____________(be) in England for exactly one year.
7. Margie just called and said she would be here at 8 o'clock. By the time she gets here, we _____________(wait) for her for two hours.
8. Frank just changed jobs again. If he keeps this up, he _____________(change) jobs at least four or five times by the end of the year.
9. Come over to my house around 9 o'clock. By then, I _____________(complete) my history essay and we can go see a movie.
10. In June, my grandmother and grandfather _____________(be) married for fifty years.
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