---Jack,you look tired today. What’s wrong? --- I was _______ busy _______ I didn’t go to bed until midnight yesterday.
Guangzhou is _________ the south of China.
— Are you Grace? — ________. I’m Gina.
— Nice to meet you, Linda. — ________
—Your pencil case is very nice. —________.
—What’s this ________? —It’s a book.