The boy student is poor in health now; his parents wish that his health _____when he grows up
| A．can improve | B．could improve |
| C．can be improved | D．could be improving |
Maintaining (维持) peace and stability of the South China Sea and the East China Sea will certainly ____ a more prosperous Asian-Pacific area.
| A．contribute to | B．respond to | C．belong to | D．appeal to |
So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.
| A．must not | B．should not | C．need not | D．cannot |
The suggestion, ____ by the locals, proved to be a very constructive one.
| A．put down | B．put forward | C．put out | D．put off |
Beijing announced on Sunday that the date for events ____ the 40th anniversary of the normalization of China-Japan relations would be “adjusted to an appropriate time”.
| A．marked | B．marking | C．having marked | D．to be marked |
Through years of hard work, Mrs. Smith, who ____ as a secretary for five years, is general manager of the company now.
| A．serves | B．served | C．has served | D．had served |