---How do you often spend your spare time? ---Personally speaking, there is nothing happier than reading a book, ____ a cup of tea.
It is said that the conference will last _______ three to four hours and include a meal.
Andy, along with his parents, _____ to Canada for a holiday since last Sunday.
This factory produces about one million pairs of shoes each year, 60% ____ are sold abroad.
I don't like the way ________ you laugh at her.
________ you've got a chance, you might as well make full use of it.