The old man became______ several years ago. He could no longer see anything.
I do well in playing football, _______. (我妹妹也行。)
It's very nice ________ you to get me two tickets ______the World Cup.
_______bad weather we are having !We've never had_______ rainy days.
____________the window. What's happening there?
____________of the twins passed the exam because they worked hard at their lessons.