Dave nearly ran into a block when walking down the street with his mind ______ on the word puzzle.
| A．to fix | B．fixing |
| C．fixed | D．was fixed |
Can you lend me the book ______the other day?
| A．about which you talked | B．which you talked |
| C．about that you talked | D．that you talked |
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 |
Great changes have taken place since then in the factory _______we are working.
| A．where | B．that | C．which | D．there |
The factory ______we'll visit next week is not far from here.
| A．where | B．to which | C．which | D．in which |
That is the day ______I'll never forget.
| A．which | B．on which | C．in which | D．when |