for sb help 和by doing 什么意思
for sb help 和by doing 什么意思
help sb with sth,help sb for doing sth和help sb do sth 的区别?
help sb doing sth和help
help sb doing sth 和help sb to do sth 有什么区别?
help sb doing sth和help sb to do sth
ask sb for help和ask for sb的意思和用法
用下列句子造句 (1)by doing sth (2)sak sb for help (3) ask sb for st
punish sb for sth和punish sb for doing sth有什么区别?
difficult for sb to do sth 和difficult for sb doing sth 有什么区别
help sb to do sth 和help sb in doing sth 在意义上有什么区别
appreciate sb doing sth和appreciate sb for doing对吗?
with sb help什么意思?