给所给单词的正确形式填空、词形变化 急救啊.急救啊.急

题目

给所给单词的正确形式填空、词形变化 急救啊.急救啊.急
给所给单词的正确形式填空
I don't know the correct_____(pronounce)of the word
The world's population is one of the biggest——(challenge)of the word today
Every player of the team was ____at the (frustrate)result
Don't be afraid of _____(make)mistakes when you speak Engliah
_____(use) such a ______(fashion)mobile phone can make us look good in front of others
词形变化
terrify______（形容词） chat______（过去式） die___（名词） decision___（动词） type——（现在分词） exact（副词）

答案

pronounciation发音
challenges one of+n.复数
frustrated沮丧的
making be afraid of doing固定用法
Using 动名词做主语 fashionable时尚的
terrified/terrifying chatted death decide typing exactly