as a boy ,he was ___________hard all day long.

问题描述:

as a boy ,he was ___________hard all day long.
A made to work
Bto make work
C made working
D tomade work
要解释

As a boy ,he was (A made to work) hard all day long.
在孩提时代,他*整天辛苦地劳动.
make sb do,迫使某人做某事.变为被动语态就是sb be made to do,动词原形前要补上不定式的to.