At the______ of the century, Shanghai is developing at a rapid speed.

She ___ for the professor who was ill.

Whenever we were ___, he is always ready to ___ us some help.

The billionaire ______ all his possessions to his son when he died.

 — So, what do you think of your new roommate ?— She really ____. She always making loud noises at midnight and when I remind her , she always makes rude remarks.