Complete each of the following sentences with a (compound) word derived from the one(s) given in brackets.
Many, many years ago, the bold and daring Norse explorers who lived in Norway were so strong and courageous that even the stormy seas could not （ ）them.(fright)
【正确答案】：FRIGHTEN
【题目解析】：
许多年前，许多生活在挪威的勇敢的探险家是如此强大和勇敢，甚至有暴风雨的海洋也吓不倒他们。frighten使惊恐；吓倒。