Question

【题目】你不必为他担忧，他会照顾自己的。

Answer 1

【答案】You don't have to/needn't worry about him. He can look after himself.
【解析】情态动词don't have to/needn't”不必“，根据所给汉语可知英语是You don't have to/needn't worry about him. He can look after himself.