With the development of the Internet，______ communication is done by regular mail.

It is_______ that I can still remember_______ was discussed at the meeting. 

Having worked for as long as ten hours, the young man lay on the ground, _____.

 She looks very _____ but I can’t remember her name.

Since　the　matter　was　extremely＿＿，we　dealt　with　it　immediately．