.1 Playing tricks on others is_________we should never do.
A. anything B. something C. everything D. nothing
2. —_________for the glass!
— It's OK. I'm wearing shoes.
A. Look out B. Walk out C. Go out D. Set out
3. I work in a business_________almost everyone is waiting for a great chance.
A. how B. which C. where D. that
