This kind of CD-ROM is very popular. Why not buy one before it________ ?
| A．comes out | B．is come out |
| C．sells out | D．is sold out |
I have a lovely doll. You can also buy ______ in a toy shop.
| A．it | B．one | C．another | D．that |
—Is the boy in white clothes your friend, Kangkang? —No. ____ in black clothes is.
| A．One | B．This | C．That | D．The one |
--- Who is over there in the dark?
---_____. What you saw is just a chair.
| A．None | B．Neither | C．Nothing | D．Nobody |
---What do you think of the twin sisters?
---They are quite different. One is outgoing, __________ is very serious.
| A．another | B．the other |
| C．the others | D．Others |
–--Which would you like, tea or coffee? ---_______. I really don’t mind.
| A．Either | B．Neither | C．Both | D．Any |