问题补充:
Children areto 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: be bound to某事很有可能会发生,某人应当如何,有法律责任或义务做某事。句意为:孩子们在成长过程中肯定会遇到一些挫折,因此父母们不必为他们担心。