He did't ____his homework,because he was sick.
He ____his homework after school.
同义句He didn‘t have a picnic because he was ill. He did't have
He often has problems do ____his homework
He didn't go to school because of ______(sick).
my son did’t get high grades because he was too careless.用be
He was’t at school yesterday because he was ill.
Tom () his homework yesterday,because he was in hospital all
He didn't come to school because he was ill对because he was i
He spends much time ____his homework every day.
英语翻译he askedme to ____him ____ ____ ____his homework.
He didn't come because he was ill.=He didn't come because of
He didn't go to school,(because he was ill).