单词stand的正确的发音应为
Lisa doesn’t know ______ she and her friends can do to help the little boy ______ parents have left their hometown for making money.
— How long has Robert __________? — Since 2004.
________ people________ walking along the beach.
I think Sun Yang was one of _____ in the 2012 Olympic Games.
---Look, the man looks like Green.---It _______ be him, for he _______ to America.