I called you last night,but you were not（ ）.

I called you last night,but you were not（response ）
再问： response....那我的answer行吗
再答： answer to 吧。。。但只要1个单词对么
再问： 对啊。answer不能单用吗？
再答： answer 也可以 比response to 更好。 我开始记错了。