填空题
His father is very busy every day .H can’t help complaining of the rapid 1 of modem life.
【正确答案】
1、pace
【答案解析】解析：
His father is very busy every day. He can’t help complaining of(抱怨) the rapid(快速) pace(步子) of modern(现代) life(生活). the pace of life(生活节奏)