—Tom, you are smoking again?
—______? It’s none of your business.
| A．So what | B．How come |
| C．Why not | D．What for |
The father as well as his three children _______ skating on the frozen river every Sunday afternoon in winter.
| A．is going | B．go | C．goes | D．are going |
Ten years ago the population of our village was _________ that of theirs.
| A．as twice large as | B．twice as large as |
| C．twice as much as | D．as twice much as |
There are many islands _________ the Chinese coast.
| A．of | B．off | C．from | D．on |
Gun control is a subject _____ American have argued for a long time.
| A．of which | B．with which |
| C．about which | D．into which |
----- Mummy, I've finished all the work you assigned me.
----- _______!
| A．You are well | B．It's good for you |
| C．It's good to you | D．Good for you |