—The teachers in that school speak either English or French, or even_______ ?
—That’s so cool.
| A．both | B．all | C．neither | D．none |
— Must I turn off the gas after cooking?
— Of course. You can never be________ careful with that.
| A．enough | B．too | C．so | D．very |
---Can you describe what Mr. Green's daughter is like?
--- Oh, she has the very_______ of Mr. Green. I'm sure you can know her at the first sight.
| A．photo | B．voice | C．look | D．taste |
We can have ________ bluer sky if we create _________less polluted world.
| A．a; a | B．a; the |
| C．the; a | D．the; the |
The park is far away from here indeed.It’s about _________walk.
| A．a three hour | B．a three hour’s |
| C．a three--hours | D．a three—hour |