题目内容
He _______ (spend, cost) most of his money on books.
Karaoke is very ______ (popular, possible) in big cities in China.
It's very ______ (impossible, important) for us to fight pollution.
从括号中选出适当的词填空。
Jenny wanted to ______ (find, find out) a job during the summer
If we ______ (raise, rise) their temperatures high enough,