_____unemployment and crime are high, it can be assumed that the latter is due to the former.
| A．Before | B．Where | C．Unless | D．Until |
(2012年南京高三模考)
If something is “dog-eat-dog”，it is a situation ________people have to take care of themselves and look after their own interests.
| A．on which |
| B．in which |
| C．by which |
| D．for which |
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 |
It’s quite warm now.Leaving the heating on all the time ________ electricity.
| A．uses |
| B．wastes |
| C．costs |
| D．spends |
All her energies are ________ upon her children and she seems to have little time for anything else.
| A．absorbed |
| B．devoted |
| C．directed |
| D．focused |
－Brad was Jane’s brother!
—________ he reminded me so much of Jane!
| A．No doubt |
| B．Above all |
| C．No wonder |
| D．Of course |