call for call in call on call at 分别是什么意思?怎么用?

call on , call for, call in ,call up 分别是什么意思? call for call at call on call off的练习题 aa~短语 (10)call up & call on &call at & call in ^^^^^^关于call短 用call on 与 call at call at call in call off call out的用法 打电话给谁用英语是用call in call at call on call up 四个那个个是 英文词组call on .call for. call after. call out分别什么意思? call. call 请用底下造句 call for call in call together call up 造个句 call at,call on drop in 的用法 call at call on 和 call sb.at