The first decade in the 21st century _______ the rapid rise of China as a world economic power.
His aunt’s letters ________ memories of those beautiful days when they used to live together in his hometown.
The thing that _______ is not whether you fail or not, but whether you try or not.
Compared with his sister, Jerry is even more ________ to, and more easily troubled by, emotional and relationship problems.
One of the requirements for a fire is that the material _________ to its burning temperature.
In the USA, _______ Thanksgiving Day is a harvest festival. Traditionally, it is _______ time to give thanks for the harvest and express gratitude in general.