(大连市高三双基测试卷) If it were not for literature, the well-known writer J.K. Rowling _______ nowhere in life.
Charles Babbage is generally considered______-the first computer.
_________a reply, he decided to write a sixth letter.
The secretary worked late into the night, ______a long speech for the president.
To master a foreign language,______.
They have had a long and bitter struggle _____their living conditions.