---Have you heard about Volunteer? ---Sure, A volunteer is someone _________ is willing to offer help without being paid..
Alice had a wonderful time yesterday,_______?
Mary told me that the book must ______ to the library in two days.
______ you wait a few more minutes? It’ll be your turn soon.
–- How long may I ______ your bike? -- For a week. But you mustn’t _____ it to others.
_______ it’s difficult to make her dream come true, she never gives up.