Without a sure supply of water, farming in that area remains at the _______of the weather.
| A．disposal | B．risk | C．cost | D．mercy |
Women who smoke are to die from lung cancer than non-smokers.
| A．likely 12 times more | B．12 times more likely |
| C．more likely 12 times | D．12 times likely more |
That virus has the power to all the valuable files people have stored in their computers.
| A．wash away | B．smooth away |
| C．put out | D．wipe out |
【原创】It was the first time she for her mother .
| A．cook | B．has cooked |
| C．had cooked | D．cooked |
【原创】—— Mr. Smith must be having a good rest in his home comfortably at present.
—— In fact, he back work, ignoring the doctor’s suggestion that he a good rest,.
| A．has come ；should take | B．came；take |
| C．comes；should take | D．is coming；takes |
【原创】The stress caused by rushing to work and being held up in traffic jams the outbursts of public transport rage.
| A．leading to; | B．devotes to ; |
| C．contributes to; | D．comes to |