Question

【题目】We are confident that the environment_________ by our further efforts to reduce pollution.

A.had been improved B.will be improved

C.is improved D.was improved

Answer 1

【答案】B

【解析】考查时态。句意：我们相信环境会在我们进一步减少污染的努力下得到改善。由题干中的"We are confident that"可知此处应该选择具有将来意义的动词时态形式，所以选择B项。