急 英语from用法come from 和 is from 的区别

急 英语from用法come from 和 is from 的区别 问SB英语 IS FROM和COME FROM 的区别 come from和comes from的区别和用法, from和come from的用法 come from和from的区别? come from和be from的区别 come from和from的区别 #英语四六级#be from 和come from 的区别 英语中be from 和come from 的用法有何不同?比如 Where is your pen pal from? is from和come from的区别,如果选择题出She （）from Africa.是选is还是come? he come from和he is from有区别吗 from与come from的用法