The research is so designed that, once _______, nothing can be done to change it.
A. begins B. having begun C. begun D. Beginning
In Dali Mr Green was so struck by the beauty of _____nature that he stayed for _____third week.
A.the ; the B. the ; a C. 不填；the D. 不填；a
—Try not to work yourself too hard. Take it easy.
—Thanks. ________.
A. So what? B. No way C. What for D. You too
—Did you ask Tom for help?
—I ________. —I managed perfectly well on my own.
A. needn’t have B. don’t need to C. didn’t need to D. needn’t
The result is not very important to us, but if we do win, then so much ________.
A. the best B. best C. better D. the better
The restaurant wasn’t ________ that other restaurant we went to.
A. half as good as B. as half good as C. as good as half D. good as half as
