仓库应否通风是以库内温湿度是否符合烟叶储藏要求为标准，而能否通风必须通过认真对比，分析库内外温湿度情况和变化趋势，并参考风力、风向来决定的。
参考答案：对
— Did you have any classes last Friday?
— No, we had a party _____ having class. [ ]
A. instead
B. instead of
C. but
D. still
