有关that if,if,和whether的题目.He doesn't care ( )the food is delicious or not.A.that B.that if C.if D.whether有whether or not应该选D吧，可是为什么不选B或者C呢？请解释一下什么时候用that if 或者if 两者的区别。

that if 和if that 有关that if,if,和whether的题目.He doesn't care ( )the food is delicious or not.A.that B.that if C.if D.whether有whether or not应该选D吧，可是为什么不选B或者C呢？请解释一下什么时候用that if 或者if 两者的区别。 providing that 和 if 的区别是什么? if that is a WHO IF THAT YOU i'd get it for you _ could remember who last borrow it.a.except thatb.if onlyc.unlessd.considering whethe Supposing that if there's no if if if if if(!a)和if(a)是什么意思?if(!a) if(a) it seems that和it seems as if的区别? It seems that 和It seems as if区别 it seems as if 和it seems that的区别 it seems that 和 as if 有什么不同? if not和on condition (that) 是 连词短语吗 与that if有关的一道选择题I'm afraid ____ you've lost the knife,you must pay for itA that if B that i do not know that if you are right 这句话 that 和 if 可以一起做连词吗?