问题补充:
Children are to meet with setbacks 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:句意:孩子们在长大的过程中,一定会碰到一些挫折,所以他们的父母不要担心。be bound to 注定,一定要,be possible to 可能的 be due to由于 be necessary to是必要的,根据题意,故选D。