Some birds fly in winter and some stay in the north.
| A．south | B．the south | C．in the south | D．to south |
My English teacher’s humor was ____ make every student burst into laughter.
| A．so as to | B．such as to |
| C．such that | D．so that |
–I think you’d better type this letter again before Mr. Smith see it.
-- Oh, dear!
| A．Who cares? | B．No problem |
| C．I don’t mind at all | D．Is it as bad as that? |
I like Mr. Miner’s speech; it was clear and ______ the point.
| A．at | B．on | C．to | D．of |
I used to love that film ______ I was a child, but I don’t feel it that way any more.
| A．once | B．when | C．since | D．although |
Please remain ______; the winner of the prize will be announced soon.
| A．seating | B．seated | C．to seat | D．to be seated |