---- Jack is a student and studies at No. 8 High School.---- ____________.
As is known to us all, _____ tiger is in _____ danger of becoming extinct.
This is _____ best kind of _____ pen you can get here.
How strange! These years my birthday always falls _____.
As _____ writer, he was _____ complete failure.
The operation is _____ success and the patient is now out of _____ danger.