（2013·辽宁）We are confident that the environment ______ by our further efforts to reduce pollution.

题型：单选题题类：真题难易度：普通

2013年高考英语真题试卷（辽宁卷）

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

举一反三

—Sorry, I don't know. But I know that Mr. Chen is going to _______ a nurse next month.

—Oh, no, I forgot. I {#blank#}1{#/blank#} (call) her right away.

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