Our teacher told us that pollution _____a very serious problem in the world we live. [ ]A. has be B. had been C. is D. was -八年级英语

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题文

Our teacher told us that pollution _____ a very serious problem in the world we live.

A. has be
B. had been
C. is
D. was
题型:单选题  难度:中档

答案

C

据专家权威分析,试题“Our teacher told us that pollution _____a very serious probl..”主要考查你对  一般现在时  等考点的理解。关于这些考点的“档案”如下:

一般现在时

考点名称:一般现在时