根据句意和汉语注释,写出单词的正确形式。
You simply can't get a ticket_________(凭借) official channels.
The famous host will show us an ______________ (最新的) invention later.
A collector of rare insects will show us his ___________(发现物). They are really amazing.
He has almost______________ (无疑地) blown his chance of touring India this winter