Peter, do you know if David _________us in the fashion show this Sunday—I’m sure if he _________his homework, he will join us.

The book is _____. [ ]

Nowadays, many young people have no idea how to get to_____they want to go

People are warned_____out as much as possible because there will be smog during the coming three days.

When he came into the dinning hall, nobody said hello to him. So he felt ____. Which of the following is NOT right? [ ]