英语翻译

题目

英语翻译
1.Eric did not know how he could memorize so many new words in shourt time .（改为简单句）
Eric did not know____________memorize so many new words in shourt time .
2.If it isn't very cold tonight ,I will sleep with the window open.（同义句转换）
___________ very cold tonight ,I will sleep with the window open.
3.卡落而发现有时候听音乐也很令人沮丧．（翻译）
Sometimes,Carol finds __________,too.
另外我想问一下,pronunciation有没有复数?

答案

1.how to
2.Unless it is
3.it sad listening to the music.
pronunciation作发音讲时 没有复数