Shall I lock the lab before I go home?
__________. I’ll check it myself later.
| A．Go ahead | B．No problem | C．No hurry | D．Don’t bother. |
– Who should be responsible for the accident?
– The boss, not the workers. They just carried out the order _____.
| A．as told | B．as are told | C．as telling | D．as they told |
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 |
What’s the _____ of having a public open space where you can’t eat, drink or even simply hang out for a while?
| A．sense | B．matter | C．case | D．opinion |
Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
| A．powerful | B．influential | C．monstrous | D．vigorous |
The boy slipped out of the room and headed for the swimming pool without his parents' _____.
| A．command | B．conviction |
| C．consent | D．compromise |