把括号里的单词通过加上-ance 或-ancy 变成名词形式,并注意单复数。 Despite being upset, infants show ______(accept) of a new situation quite quickly. I want to get a job as a teacher, but there aren't many ______ (vacant) at the moment. The children's _______(perform) in motor mimicry fades at around two and a half years. They have an extremely low______(tolerate) of physical pain when they're very young. Mel can't make his mind up about anything. Even at nine months, one infant often wishes to give ________(assist) to another infant.