calm, calmly, calms; upward, inwardly, inwardHis ______expressio

calm, calmly, calms; upward, inwardly, inward
His ______expression hid his ______panic.
【正确答案】：calm / inward
【题目解析】：考查词缀法中的后缀。Inward形容词，内心的，精神的。