单选题 21. Which of the following determiners can be placed before both singular countable nouns and plural countable nouns? ______

【正确答案】 C

【答案解析】 限定词用法题。any既能与单数可数名词搭配，又能与复数可数名词搭配，故C为答案。another只能与单数名词搭配；a few只能与复数名词搭配；either只能与单数名词搭配。