Has the Channel Tunnel improved the _______of goods between the British Isles and mainland Europe?
—Daddy, can you buy me a new MP3 when you go to Beijing? —You ______ get one if you are admitted to a key middle school.
Great changes _____ in China in the past 30 years and many Chinese are living a happy life today.
Unfortunately, the couple _______ after years of quarrels .
This book _____ ten units, ______ three mainly revision.
The book is _______ that one.