问题补充：
—What will the weather be like tomorrow?
—I think it will beas it was yesterday.
A. so a sunny day
B. so sunny a day
C. as sunny a day
D. as a sunny day
答案：
A. so a sunny day
B. so sunny a day
(答案→)C. as sunny a day
D. as a sunny day
解析：考查as用法。as/so是副词，后面要接形容词或者副词，排除D；B项用于否定句。句意：—你认为明天的天气会怎么样？—我认为天气会和昨天一样晴朗。
