请问 but that (if) 这个短语怎么用啊?

请问 but that (if) 这个短语怎么用啊? 请问这个句子有语法错误吗,用need 还是 needed啊,If any assist that you needed She said that she would come if she could,but not to wait for her.这个句子哪错了?怎么改? 虚拟语气中but for,if not,but that的意思及用法 求一句话的分析和意思I should have come to the spot soon,but that I have been much engaged with some formalities.请问这句话怎么翻译?另外为什么but后面是that,这个that表示什么? 请问这个if语句什么意思?if( (key&0x1) ) Giving money to beggars doesn't help them in the long run.but many people say they feelbetter ___ they gave.a.even if b.because c.so that d.now that请问选择哪一个, But that that if 和if that I doubt ___ David told us the truth,but they never doubt ___ David is honestA if;ifB if;thatC that;thatD that;if I doubt ___ David told us the truth,but they never doubt ___ David is honestA if;ifB if;thatC that;thatD that;if i don't know for sure与that all depends有什么区别?什么语境下面用?意思差不多呀?这个句子为什么用that all depends?---Can we get the computer before Wednesday?---Well,that all depends.If it is 30km ,we can make it,but if farthe 请问这是什么歌啊,in your hand in your hand,what is in your hand,but you see ,it is not me ,it is not mine,that i believe,in your hand in your hand ,if i have, Mr.Cheng said that he would be punctual for the appointment,___ he were late A.but what if B.and what about C.so what D.how about请问该选哪个?punctual 准时,守时appointment 约会 Are you nuts Even if they think that ,but I don't think so. The doctors will operate if it proves necessary-but it may not come to that.中文翻译 But if it's college that I would go back to,I'd rather not. but only if you go halfway with me on that sandwich 的意思