sb and sb是用are还是issb and/or sb 哪个用are、is

sb and sb是用are还是issb and/or sb 哪个用are、is Both sb.and sb.后接is还是are sb with sb +is sb and sb +are sb and sb be going to 什么时候用are 和is?sb and sb后一定是复数吗?可以is going to sb with sb now 用is还是are do sb. enjoy还是are sb. enjoy? sb and sb sb with sb sb as well as sbsb and sb sb with sb sb as well as sb 后面分别用三单还是复数 sb's and sb's 与sb and sb's的区别,他们后面的名词用单数还是复数? I love sb or sb,还是I love sb and sb为什么要用and来连接 是用trust on sb还是用trust In sb还是直接trust sb sb with sb 是复数还是单数. 是believe in sb 还是believe sb 是fit sb还是fit to sb? 是challenge sb 还是challenge to sb 某人和我 是sb and me 还是 sb and i sb and me 还是 sb and l 那个成立 sb with sb be比如xxx with his friends ()xxxx是is还是are not only sb but also sb 是接are还是is