As we all know，tigers and cats________the same family of beasts.

They will not _____ even if they can’t win the match.

When speaking in public, it is important to _____ your message _____ and keep the attention of your audience.

--- Is your new team-mate a good guy? --- Yes. He is kind, skillful, hard-working and intelligent; ____, I can’t speak too highly of him.

With the popularity of network, email has largely ________ the traditional letter.