--It’s raining heavily, isn’t it?--Yes, ______ yesterday.
---Alice, you look puzzled, Have you understood it?---No.I _____another problem just now.
How pleased the detective was _____what his customer told him!
She looks forward every spring to _____the flower-lined garden.
_____ all his followers dead, the captain was taken by his enemy.
_____to his research work, the professor cared little about any other things.