--- Did you find the pen yesterday?
--- No, I didn’t find ________, but I have bought ________.
| A．it; it | B．one; it | C．it; one | D．one; one |
The pen ______he is writing is mine.
| A．with which | B．in which | C．on which | D．by which |
This is one of the best films _______.
| A．that have been shown this year | B．that have shown |
| C．that has been shown this year | D．that you talked |
Some researchers believe that there is no doubt ________ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
Mum is coming. What present _______ for your birthday?
| A．you expect she has got | B．you expect has she got |
| C．do you expect she has got | D．do you expect has she got |
Danny left word with my secretary _______ he would call again in the afternoon.
| A．who | B．that | C．as | D．which |