My friend came here to d----- the chemistry problem with me,It's so difficult请问这以“ d”开头的单词应该填写什么?

A friend of _____ came here yesterday.A.my B.his C.him D.I A friend of _____ came here yesterday. A. my B. his C. him D. himself A friend of his came here yesterday 《九下同步》P35（13）：A friend of ____ came here yesterday.A.my B.his C.him the old man came here to visit his old friend My friend came here to d----- the chemistry problem with me,It's so difficult请问这以“ d”开头的单词应该填写什么? 几个高一英语改同义句i came here and wanted to be told more about the accident.i came here to ___ ___ more about the accident.my friend cathy has passed the ectrance exam and will go to college soon.my friend cathy will soon ___ ___ ___colle I came here by taxi . My cousin came here by taxi , too . ( 同意改写 )I came here by taxi and ___ ___ my cousin I came here by taxi . My cousin came here by taxi , too . ( 同意改写 )I came here by taxi and ___ ___ my cousin 改错:My cousin came here two days ago. i came here by bike.my cousin came here by bike,too.合并为一句.i came here by bike and _____ __ I came here for my schoolbag.这里的came为什么要用过去式? friend came he made since here tom a lot of has 连成句子 A friend of __ came here yesterday.(him,his)选哪一个填空? I can bring my friend here.(一般疑问句） I came here by taxi.My cousin came here by taxi ,too.保持句意不变 I came here by taxi and —...I came here by taxi.My cousin came here by taxi ,too.保持句意不变I came here by taxi and —— —— my cousin. Yesterday evening a friend of _____(my father)came to my home. my friend came to celebrate it with my family this year改成this years这样对吗?