China’s goal of 7.5 percent GDP growth this year, though moderate in comparison with previous rates, is not cause for concern since it could still generate ________ volume wealth.

At a very young age, Professor Field used to__________  books on radio. 

On the celebration of the university’s 100th birthday, he said, “I have never experienced __________ time here as a graduate of Tsinghua University.”

The big bird was shot by an arrow and fell heavily onto the ground, _____.

Do you like to accept________idea in modern society?