问题补充:
Children are to meet with setbacks (挫折) as they grow up, so their parents don’t have to worry about it.
A. possible
B. due
C. necessary
D. bound
答案:
A. possible
B. due
C. necessary
(答案→)D. bound
解析:考查形容词辨析。句意“孩子在成长的构成中肯定会遇到挫折,因此他们的父母不必担心。”A“可能的”;B“到期的,应得的”;C“必需的”;D“有义务的,受约束的”。be bound to do sth.“一定会做某事”。故选D。