Question

【题目】— What's the good point of shopping online?— I think buyers ________ spend too much time going to shops.
A.needn't
B.mustn't
C.can't
D.shouldn't

Answer 1

【答案】A
【解析】句意：-网上购物的优点是什么? -我想买家不必花太多的时间去商店。needn't情态动词，不需要。所以选A。