作业帮The police____looking into the matter now .A.was B.were C.is D.are要求详解,
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The police____looking into the matter now .A.was B.were C.is D.are要求详解,
The police____looking into the matter now .A.was B.were C.is D.are
要求详解,
The police____looking into the matter now .A.was B.were C.is D.are要求详解,
are
is,
now 表示现在
D.are
因为有now，所以在C，D中选。
而调查的警察肯定不止一个，所以police在这里应该是做复数看。