Recycling is one way to protect the environment，reusing is ________.
| A．another | B．the other |
| C．one another | D．one |
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 |
When I say two hours, _____ includes time for eating.
| A．as | B．which | C．what | D．that |
Whether you go or not, _______ is quite all right with me.
| A．that | B．which | C．and it | D．so |
If you want a double room, _____ will cost another ￡15.
| A．as | B．which | C．what | D．that |
If you promise to go with us, _____ will be OK.
| A．as | B．which | C．and it | D．that |