Both of his parents died of illness so he ----support his family at the age of 14
问题描述:
Both of his parents died of illness so he ----support his family at the age of 14
A.must
B.should
C.could
D.had to
答
D 他的父母都死于疾病所以在他14岁的时候他不得不供养他的家人.