―Excuse me, Jim. Do you have any books about Chinese history―Yes. ______ book above the shelf is _______ useful one.

We should be able to do the job for you quickly, ____________ you give us all the necessary information

(2013·高考江苏卷)Generally，students’ inner motivation with high expectations from others________essential to their development.

_______ I borrow your camera I want to take some photos.-Sure, here you are.

You______ her in her office last Friday; she’s been out of town for two weeks.