1.The tap was on.
The tap wasn't (off).
2.When he saw the huge fire he froze.
He (went) (frozen) suddenly when he saw the huge fire.
or:He (froze) (there) suddenly when he saw the huge fire.
3.It is polite of her to give her seat to an old lady.
(She) is polite (to) give her seat to an old lady.
4.After Lucy finished her drawing she went to bed.
Lucy (didn't) go to bed (until) she finished her drawing.
5.You believed what he said.You are really foolish.
It is really foolish (of) you (to) (believe) what he said.
6.The rich often go from one place to another in the world.
The rich often (travel) in the world.
这个也可以填 .(travel) around the would.
从你打的这些字中看到许多错误,在学习中还要更加细心