The person sitting opposite _____ Mr．Smith is our new manager

You should keep in mind ________ you should behave while travelling abroad.

o you think of the furniture on exhibition— Well, great! But I don’t think much of ____ you bought.

What do you usually use your computer __________ — I usually use it to do word processing.

city in Zhejiang Province, located on the river’supper reaches, is believed to be ______ source of the dead pigs.