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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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

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
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

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
还要用单数,即is.因为Reading English newspapers and magazines是一个事件,后面谓语自然要用单数形式.

选is,reading english newspapers and magazines 作为is的主语

用is. 全句是Reading English newspapers and reading English magazines is helpful to our study of English.
考点:由and 连接两个主语时,谓语动词一般用复数,但如果并列主语指同一个事物或同一个概念时,谓语动词用单数形式。这里考后者