—Is that Dec．21,2012 is the end of the world true?
—Definitely not, but ______ must be paid to global climate change．
| A．contact | B．care | C．attention | D．influence |
Our company will move to a tall building _______ we worked two years ago.
| A．where | B．when | C．that | D．which |
Our company will move to a tall building _______ has just been complete.
| A．which | B．when | C．how | D．where |
Our company will move to a tall building _______ we bought last month.
| A．which | B．when | C．how | D．where |
She says that she’ll never forget the time ________ she works as a secretary in our company.
| A．which | B．when | C．how | D．where |
She says that she’ll never forget the time ________ she’s spent working as a secretary in our company.
| A．which | B．when | C．how | D．where |