——What do you think of the book? ——Oh, excellent. It is worth _________a second time.
Wars are disasters. A large number of people will lose their homes if a war ________.
The mobile phone has changed people’s life a lot ________ it was invented.
The girl is so excellent that you ________ praise her too much.
Yaxi, a quiet village in Gaochun, _________ China’s first “Slow City” in November 2010.
— What do you think of the book?— Oh, excellent. It is worth ________ a second time.