1．— Nancy, what classes are you taking this term?
— _____ I want to take two English courses, or maybe Spanish．
A．What’s up? B．It’s none of your business． C．I’ve no idea． D．I’m not sure yet．
2．2010 Shanghai World Expo was ．
A．The; the B．不填; an C．The; an D．不填; thehonor for all of the Asians
3． Trees are good for man． We can’t plant them _____ many．
A． so B．such C．too D．enough
