It was cold a day that we had to stay indoors.A. soB. suchC. tooD. very

问题补充：

It was cold a day that we had to stay indoors.

A. so

B. such

C. too

D. very

答案：

(答案→)A. so

B. such

C. too

D. very

解析：句意为：天气太冷了以致于我们不得不呆在屋里，so/such----that----,如此----以致于----，考查结果状语从句，so+adj/adv/such+n,在本句中后面的cold是形容词，故应为A。