He must be helping the old man to water the flowers,______ ?      

All of you,        yourself, and we’ll begin our class soon.

    different life today is from what it was thirty years ago!

Please do me a favor---_____Mr. Wang of the date and place of our party.

_____different life today is ________what it was 30 years ago

The women carrying babies, come in first, ______?

______ for the boy to talk with his mouth full!

You can’t imagine _____ when they received these nice Christmas presents.

________ the prices and functions of different types of computers before you make up your mind which to buy.

You will find what great benefit the computer you own can be _____ each time you use it to help you work.