sb and sb是用are还是is

sb and sb是用are还是is Both sb.and sb.后接is还是are sb with sb +is sb and sb +are sb with sb now 用is还是are sb with sb+is sb and not only sb but also sb 是接are还是is sb and sb be going to 什么时候用are 和is? and this is SB. 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? 是用trust on sb还是用trust In sb还是直接trust sb 某人和我 是sb and me 还是 sb and i 是believe in sb 还是believe sb