1.I can't drink coffee so late at night
--> It's........................................
2. Dennis started that job five years ago.
-->Dennis has been.................................
3. During dinner, someone knocked at the door.
-->While we................................
4. Our last holiday was in China (TO)
-->We...............................our last holiday
5. I've been here for two hours, and I'm still waiting (WAITING)
-->I.........................................................two hours
6. I haven't seen him for ages (SINCE)
--> It's ................................................................saw him
7. The burglar escaped before the police arrived (HAD)
--> When the police.............................................................. escaped
8. I last went shopping two months ago (GONE)
--> I.................................................. two months