After _______ absence of 10 years from his hometown, Mr. Li doesn't know _______ great changes have taken place there.
As we stood on the top of the hill,we could see the beautiful scene that__________before us.
Professor Haley told me that he__________by many of his students at the railway station.
—Where are Jack and Mike? —They__________the furniture you asked for into the house.
We__________dinner at seven o’clock when CCTV__________to broadcast news.
Let me tell you what to do next__________I forget.