you______ worry about your study.we will help you if necessary
问题描述：
you______ worry about your study.we will help you if necessary
A.don't need B.needn't C.needn't to D.need to
答
B当 need 为情态动词时,后直接跟动词原形,所以用： needn't worry about 没有必要担心当need 为实意动词时,应该用： don't need to worry about your study 没有必要担心你的学习祝你学习进步,更上一层楼! (*^__^*...