Reading English newspapers and magazines ____(is / are ) helpful to our study of English.动名词作主语谓语用单数,可是当主语有and引导两个成份这个时候还要用单数吗

分类: 作业答案 • 2021-12-19 11:08:05

问题描述：

Reading English newspapers and magazines ____(is / are ) helpful to our study of English.
动名词作主语谓语用单数,可是当主语有and引导两个成份这个时候还要用单数吗

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