If 500 is the mutiple of 100 that is closest to x and 400 is the multiple of 100 that is closest to y,which multiple of 100 is closest to x+y? (1)x小于500 (2)y小于400
解答:
点赞0
阅读271136
解答:
ken@boost.org.cn
提问:
@Tina老师,老师,这道题帮忙讲一下b和c选项呗。主要区别在谓语单复数和后面的to provide 还是providing。主语是两个不可数名词and并列,谓语要用复数么?