注意：此页面搜索的是所有试题
Few people realized then, _________ until two years later.（1分）
Ahow his mistake was serious
Bhow serious was his mistake
Cwhat serious mistake it was
Dhow serious his mistake was
Ahow his mistake was serious
Bhow serious was his mistake
Cwhat serious mistake it was
Dhow serious his mistake was
参考答案
