作限定词时,this和that用于单数名词词组中,名词词组既可以是可数的也可以是不可数的。 These和those要用于复数名词词组中。例如: Whoever had come up with this idea deserved a medal. 无论是何人提出这个主意都该获得奖牌。 But what happens when all this money is used up? 但当这些钱用完以后会发生什么事呢? I hope to enjoy that fee