1.I will be back [ ] seven days.

1.I will be back [ ] seven days. 选择 I will be back ___ tow days. ----------will he be back 答语是He will be back in two days ,I 1.He will be back in ten days. I will be back in three days.为什么要有be 为什么不是I will back in thr “I will be back! His father will be back _____three days. He will be back in four days I will be back,from i will be back歌词 i will be back soon i will be coming back