--- What is your hobby , Jack ? --- Collecting stamps . What about you ?---_________.
She understood what I was talking about, ____ it was the first time we had spoken together.
Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane ____on Sunday?
That hero who died in the war was so brave that he never _____ to the enemies until death.
The reason _____he was absent was _____ he was ill and unable to go to school.
Mr. Brown is _____ a teacher to us; we look on him as our friend.