She has much more to do.她还有很多事要去做.much是否应换为many因为事情是可数的呀,

She has much more to do.她还有很多事要去做.much是否应换为many因为事情是可数的呀,

若不接名词,则more本身就被看作是一个不可数名词.如：
She has much more to do.她还有很多事要去做.