Question

【题目】—Christina, what do you think is the greatest advantage of shopping online?
—At least Ispend much time going from shop to shop.
A.shouldn't
B.needn't
C.can't
D.mustn't

Answer 1

【答案】B
【解析】句意：——Christina,你认为网上购物最大的优点是什么？——至少我不用花时间挨家店跑了。不必用needn't。shouldn't不应该；can't不能；mustn't一定不要。故选B。