录音所用材料
1. 将来进行时
Your friend: I will call you tomorrow.
You: OK.
Your friend: I will call you at three o'clock in the morning.
You: No. I will be sleeping at that time.
2. 将来完成时
Father: If you finish your homework, I will give you a gift.
Son: I will have finished my homework by the end of this week.
3. 将来完成进行时
I will have been living in Beijing for twenty years by the end of the year.
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