—I don’t think I will win a lottery (彩票) of 5,000,000 dollars in all my life. —Well, ______. Everything can happen.
---How often do you eat out? ---________, but usually once a week.
The trouble is ________we are short of hands.
She wanted to know ________.
No one knows when and where________.
My hometown is not ________it used to ________ ten years ago.