The man will have to wait all day ______ the doctor works faster.
| A．if | B．unless | C．where | D．that |
——We can never forget the days _______ the two astronauts in spaceship worked together and the days ________ we spent together.
| A．when; which | B．which; when | C．what; that | D．on which; when |
The housewe used to livehas been rebuilt．
| A．where；in | B．which,／ |
| C．in that；／ | D．in which；／ |
In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets.
| A．that some scientists say | B．in which some scientists say |
| C．some scientists say that | D．some scientists say |
By nine o'clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ___________ appeared a rare rainbow soon.
| A．of which | B．on which | C．from which | D．above which |
Is this the restaurant ___________ ?
| A．which you work | B．in which you work |
| C．for which you work | D．where you work in |