英语作文人工批改:A plus B作主语谓语动词用单数还是用复数(主谓一致)

A plus B作主语时,谓语动词用单数还是用复数取决于其中的“A”是单数还是复数(与“B”的数无关)。比较:
His pension plus his earnings comes to 9 000 dollars. 他的养老金加上他的收入共9 000美元。
His earnings plus his wife’s pension come to 9 000 dollars. 他的收入加上他妻子的养老金共9 000美元。

