No one, no matter who he is, can _____with it if he breaks the law.

a 5-minute discussion, we came up with a better ____ to the math problem.

Mr. Smith used to smoke ____, but he has given it up.

I don’t think that the necklace is made of diamond, ________?

The place ________the bridge is supposed to be built should be_________ the cross-river traffic is the heaviest.[ ]