Holiday shopping be a tiring experience. There are so many places to visit and choices to make.
A. can
B. may
C. shall
D. will
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(答案→)A. can
B. may
C. shall
D. will
解析:考查情态动词。can 有时候可能会,may 可以,shall 将,will 会,句意:假期购物有时候可能会是一个劳累的经历,有许多的地方要去光顾而且要做出选择。故选A。