例句： This book is titled An Introduction to American Literature.

例句： When Scott reached the South Pole he found Amundsen had anticipated him.

例句： A compass needle points( to the) north.

例句： There have been great advances in medicine in the last ten years.

例句： The rumour percolated through the firm.

例句： Some of my friends develop their arm muscles by playing tennis.

例句： grant a request.

例句： I couldn't understand his lecture because he kept jumping from one topic to another.

例句： One day we'll both get to see New York.

例句： The cottage rents for $200 a month.