I'm awfully sorry ,but I have no alternative.I simply_____ w

I'm awfully sorry ,but I have no alternative.I simply_____ w I awfully sorry qx i am awfully sorry. i'm afraid i have no alternative but to ask you to leave. 翻译：i am awfully sorry,but i have knocked over that display o I’m awfully sorry to have kept you waiting for a long time. I'm sorry I have no idea.Please ask _____one. but的用法.I have no alternative but to give it up.but 后面为什么是不定式 --I'm awfully sorry I can't go outing with you this weekend. M:May I get this prescription refilled?W:I'm sorry,sir,but w I have a round face .I have no legs .But I have two hands .W SORRY-SORRY.-I‘M、SORRY H..---ME I'S NO