You had better to phone your sister and say sorry to her a.had better B.to phone C.say D.to
问题描述：
You had better to phone your sister and say sorry to her a.had better B.to phone C.say D.to
答
B,这题应该是问哪个错了的对吧？had better +do sth
答
B .to phone -----phone
因为had better do sth.最好做某事