raising children is said to be a job ____parents receive the least formal training

题目

raising children is said to be a job ____parents receive the least formal training
A in which B for which Cwhere
填什么 为什么?
receive .for .

答案

B 养孩子是一份父母受到正式培训最少的工作.
从句结构式 parents receive the least formal training (for the job).
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