Jim's parents speak English and Chinese.改否定句 并说为什么
问题描述：
Jim's parents speak English and Chinese.
改否定句 并说为什么
答
jim's parents don't speak english and chinese
主语为辅数，用单数助动词do, 否定加not, 即do not， 缩写don't
答
Jim's parents don't speak English or Chinese.
主语是Jim's parents，复数，本句是一般现在时，所以谓语动词用复数。
在否定句中，and改为or。
答
Jim's parents don't speak English or Chinese.
and 在否定句中要变为 or