I don’t think he will pass the exam,________? [ ]

________ your answers carefully before you hand in your _________ exam paper.

The special dance，Gangnam Style，is ________ popular all over the world and was even performed in the White House

Is there a fast train to Shenzhen today I wonder if you could ____ for me.- Sorry, the last train left just 15 minutes ago.

Cindy,what if your parents go out–I’ll have to ____myself.