To keep healthy ,Mr. Lin __________ climbing as a regular form of exercise after he retired .
—Have you heard the story of “The Merchant of Venice”? —No. When and where does the story ______?
He could see the tall chimneys of the factory ______.
Sir, you ______ be sitting in this waiting room. It is for women and children only.
He lost his ______and fell off his bicycle.
The old lady ______by selling used newspapers.