—— I’m sorry, but there’s no smoking room in this section on the train.
—— Oh, I ___________that, and I won’t smoke again.
| A．don’t know | B．won’t know | C．didn’t know | D．haven’t known |
— What does the sign over there say?
— No person ______ enter the area without the official permission.
| A．shall | B．may | C．must | D．will |
It’s the protection for the trees ______ really matters, ______ how many trees are planted each year.
| A．which; or rather | B．as; more than |
| C．what; other than | D．that; rather than |
I like this 3G cellphone very much, but it costs almost _______that one.
| A．four times as many as | B．as four times many as |
| C．four times as much as | D．as four times much as |
____ surprised me most was to see so many women crying sadly there.
| A．That | B．It | C．Which | D．What |
Although the teacher didn’t mention any names, everybody knew who he was ______.
| A．speaking to | B．turning to | C．referring to | D．talking to |