---__________does your friend go fishing?
--About three times a month.
| A．When | B．How often |
| C．How long | D．How much |
With _______ and pleasure, Alice and the rabbit traveled on together in Wonderland.
| A．safely | B．save | C．safe | D．Safety |
Ladies and gentlemen, it’s been ________ honor for me to stand on TED and talk about red wine.
| A．such a | B．so a |
| C．such an | D．so an |
--_________ to the United States?
--No, never, but I went to Canada a few years ago.
| A．Have you been | B．Have you gone |
| C．Did you go | D．Will you go |
It's________ far_______ walk home from here. Let's take a bus.
| A．so; that | B．too; to |
| C．enough; to | D．such; that |
They really don’t know how _________ the difficult problem.
| A．to solve | B．solve |
| C．solves | D．solved |