Lucy has a great sense of humor and always keeps her colleagues with her stories.

He was chosen to be a volunteer of the 2016 Olympic Games.—Great! No one speaks English _______ him.

下列词语中，没有错别字的一项是（ ）

If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___ the damaged cells and allow that person to walk again.

My best friend is more popular than me. I want to be like him. -I think you should be more friendly,