根据句意和汉语注释,写出单词的正确形式。
How many ____________(语言)are there in the world, do you know?
That sounds like an _______________(极好的)idea to me.
The book is a______________ (幽默)account(描述)of a young man’s travels in South
America of the two ones.
You should be ____________(耐心的) if you want to be better.