At minus 130℃, a living cell can be ______ for a thousand years.
| A．spared | B．protected | C．preserved | D．developed |
--Tom is such a stupid student that he had failed in every exam.
---Sorry, I won’t agree. He is ________ than stupid.
| A．lazier | B．no lazier | C．more lazy | D．lazier rather |
----Mum, I’m afraid I won’t do well in the coming test.
----Honey, ____ more careful, ____ you will make it.
| A．is, so | B．be, and | C．be, then | D．being, and |
The moment I completed the 3000-meter race in the school sports meet, my legs _______．
| A．gave out | B．gave away | C．gave in | D．gave up |
_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
| A．Whatever; that | B．However; as |
| C．Whatever; which | D．However; that |
He bought a house,___________ the price is reasonable.
| A．whose | B．its | C．of which | D．of whom |