例如 Did he have to go home? 的回答是哪一个?1:Yes he did/No he didn't2:Yes he must/No he needn't/didn't have to.求解QAQ
Yes he must行不行?
一般只有在提问中出现must这一情态动词时,做肯定回答时用must,做否定回答时则要用needn't