来源：奥鹏远程教育 日期： 作者：奥鹏作业辅导
A quantity of heroin has been found at an address in South London, and police are _________ the matter.满分答案
A quantity of heroin has been found at an address in South London, and police are _________ the matter.
A.surveying
B.investigating
C.exploring
D.examining
答案:B
A quantity of heroin has been found at an address in South London, and police are _________ the matter.历年参考题目如下：
