As was recorded in history , Diaoyu Island has been _________ part of China.
Some children want to challenge themselves by learning a language different from ________ their parents speak at home.
Mathilde and her husband turned the whole room upside down ________ the lost necklace.
________ the help of her teacher, Mary ________ in the past few months.
—Tom has passed the final exam. —______! He never really worked hard before.
In China, shaking hands with each other is a common________ when people meet for the first time.