It's very kind -----you -----bring my book.空格里面该填什么介词

It's very kind -----you -----bring my book.空格里面该填什么介词 填上适当的介词：It's very kind _____ you to help me with the bag . It's very kind of you to s___ your cake with me .应该填什么 It's very kind of you to offer me such a terrific book ___ I 选择恰当的介词填空.it's very kind ------ you to carry the box ------- If you lose the library book,you must------it空格要填什么 It’s very kind of you 急 It's very kind of you. It’s a photo?my family.问号填什么介词? It's very kind of you...和 It's very kind for you...的区别 人家说It's very kind of you.该怎么回答? 填介词___the sky look___picture it's very beautiful 3 my sister