Why don’t youwear the black jacket? —.

We can gain valuable wisdom from mistakes which ______ to prevent them from happening again.

Will you go home tomorrow evening? —No, I’m going to a lecture, or at least I’ m planning _________.[ ]

What do you think of the traffic in our city?-lt’s than it used tobe, but there’s still a long way to go.

Her mother posted her some books and a lot of money____________