you must respond to me.中的to me 是作介宾吗?

you must respond to me.中的to me 是作介宾吗? respond me with a smile还是respond to me with a smile? Give me some love to respond to a similar You must to help me和You must help me有啥区别 英语大侠进来啊,请问please forgive me i respond to you so late这句子有语法错误 come back to me,why did you leave me.i want to know,you must i must ask you to stay away from me. 句must ask you to 是什麼意思 listen to me carefully;you must learn them ___heart you must pull me to move toward forever是什么意思? You must return the book to me on time. must you talk to me in foreign language? you must promise not to scold me any more