A series of problems faced by the public has ______ in the national conference.
| A．written down | B．come up |
| C．added up | D．gone through |
---- You have never seen an American film, have you?
---- ________. How I wish I had such a chance!
| A．Yes, I have | B．Yes, I haven’t | C．No, I have | D．No, I haven’t |
CCTV is exactly like a window on the world ____you will sit by it and fix your attention on what it shows .
A if B as C while D unless
________ if you want to do something, or you won’t be able to do it well.
| A．To try your best | B．Trying you best | C．Try your best | D．Unless you try your best |
Plants grow best _____ it is warm and wet .
A where B which C in which D that
--- Father, I’m going out for a play.
---- _________ be long!
| A．Don’t | B．It won’t | C．Won’t | D．You didn’t |