I have been told that the new law will come into on January 1st next year.A. effectB. use

问题补充：

I have been told that the new law will come into on January 1st next year.

A. effect

B. use

C. service

D. existence

答案：

(答案→)A. effect

B. use

C. service

D. existence

解析：词义辨析。Effect效果，影响；use用处；service服务；existence存在。句意：我已经被告诉新法律将在明年一月一日开始生效。所以选A，come into effect，生效。