The elderly ______ good care of in public places like supermarkets and airports; they are likely to get lost.
| A．can have been taken | B．ought to be taking | C．must be taken | D．should take |
The exhibition _____ such endangered animals as the giant panda and the Siberian tiger and describes the work being done to protect them．
| A．exploits | B．features |
| C．demonstrates | D．inspects |
The severe competition in the job market has eventually ____ many students to the idea that knowledge plus ability is the only way out．
| A．connected | B．converted |
| C．confirmed | D．combined |
Many education experts stressed in the meeting that scores should not be viewed as the only ____ of success in one's study．
| A．instruction | B．criterion |
| C．proportion | D．trick |
If a friend snaps at you or is unfriendly， step back， and with a sense of compassion， try to experience life from his____．
| A．perspective | B．priority |
| C．privilege | D．policy |
The way he acted towards people was to keep on good terms with them ______ principle, which was usually thought little of.
A. at the mercy of B. at the risk of
C at the expense of D. at the bottom of