The Medical Research Council said it could not use of the new drug without further tests.

问题补充：

The Medical Research Council said it could not use of the new drug without further tests.

A. assist

B. acquire

C. accuse

D. approve

答案：

A. assist

B. acquire

C. accuse

(答案→)D. approve

解析：动词辨析。A帮助；B获得；C控告；D支持；批准；句意:医学研究理事会说如果没有更多的检测，他们不同意这种新的药物的使用。故D正确。