所属栏目:初中英语应考短语
用法a set of后面接的名词一定是复数形式,当a set of用于句中作主语时,谓语则必须用单数形式。如果是two sets of,谓语就用复数形式。例如:① A set of keys is on the paper.一串钥匙放在纸上。② The three sets of suits are on the bed.这三套西服在床 ......(本文共 148 字 ) [阅读本文] >>