问题补充：
Rather than at home , I prefer to go sightseeing in .
A. stay; so suuny a day
B. to stay; so a suuny day
C. stay; how sunny a day
D. staying; such a sunny day
答案：
(答案→)A. stay; so suuny a day
B. to stay; so a suuny day
C. stay; how sunny a day
D. staying; such a sunny day
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