Now I can’t find ______book about animals. —Is it ______ old picture book on the desk?

When did the Shanghai Expo open?—_____ May lst, 2010.[ ]

What does Mrs Li teach?—She is ________ English teacher, and she teaches __________ English very well.

Liu Yang is the first Chinese woman astronaut ______ has ever traveled in space.

Sam, come downstairs, please. I need your help.—Sorry，mum. I on the phone..