The sweater is too large for me, please show me a smaller _______.

You’d better _______ too much meat. You are much too fat.

The boy saved every coin ______ he could buy his mother a gift.

I became a teacher 15 years _______. I have been a teacher _______1997 . I have taught here ______about 15 years .

He hesitated(犹豫) for a moment before kicking the ball, otherwise he _____the goal.