He had the right to take ________ of the house and farm after his father died.
| A.option | B.regulation | C.possession | D.effect | 
Mary wanted to travel around the world all by herself, but her parents did not _______ her to do so.
| A.forbid | B.permit | C.follow | D.ask | 
Good technique in medicine means less pain and fewer deaths and, ______ it’s our duty to master it.
| A.naturally | B.therefore | C.particularly | D.similarly | 
In the group discussion, they thought up three different __________to solving the environmental problem.
| A.approaches | B.means | C.ways | D.methods | 
The population of India has ______ quickly, because they don’t have a Family Planning policy like China.
| A.extended | B.developed | C.expanded | D.spread | 
As our country has realized the problem and taken some measures, the price of medicine has _______ and poor people can also afford good medicine.
| A.gone down | B.brought down | C.turned down | D.cut down |