Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010, _________ are popular with teenagers.
_______ in time, little Franz was afraid ________ scolded.
I found him _________ in an armchair, __________a book.
Mary realized she ________.
Do you mind ________ alone at home?
— Don't forget to come to my birthday party tomorrow. — __________.