根据汉语提示完成单词。
There are many __________  (差别) between English and America.
_______(虽然) he is a little boy, he knows a lot.
I ______ (想知道) who will meet us.
Mickey was _______ (不幸的) and had many problems such as losing his house.
As the _______(谚语)goes “ A friend in need is a friend in deed.”