At times ,worrying is a normal, ________response to a difficult event or situation—a loved one being injured in an accident , for example.
| A．effective | B．individual | C．inevitable | D．unfavorable |
All their attempts to rescue the child from the burning building were ______．He dies soon afterwards．
A．in place B．in return C．in vain D, for
We offered these students a summer course , aimed _____ improving their spoken English．
| A．to | B．in | C．at | D．for |
England is rather short of arable land , so it is absolutely dependent upon other countries for her food __________．
| A．offers | B．stores | C．supplies | D．sales |
The young man insisted that he _______ nothing wrong and ________ free．
| A．did , set | B．had done , should be set |
| C．do , be set | D．had done , must be set |
_______ his arrival at the airport , the film star was recognized and soon surrounded by a group of film stars．
| A．At | B．Over | C．On | D．to |