It was in the factory _________ his friend worked _______ he picked up a lot of experience.
| A．where, where | B．that, where | C．that, that | D．where, that |
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 |
If the man is only interested in your looks, _____ just shows how shallow he is.
| A．as | B．which | C．what | D．that |
On Sundays there were a lot of children playing in the park, _______ parents were sitting together joking.
| A．their | B．whose | C．which | D．that |
On Sundays there were a lot of children playing in the park, _______ parents sat together joking.
| A．their | B．whose | C．which | D．that |