________ seems to be a strong competition in China for senior high students to enter college or university.
He made another wonderful discovery, _______ of great importance to science.
These kinds of shoes ________ well.
In April, 2009, President Hu inspected the warships in Qingdao, ________ the 60th anniversary of the founding of the PLA Navy.
He is constantly ________ not to do that, but he still goes on doing it all the same.
There were lots of people standing watching, yet no one of them ________.