—Tom, you are smoking again?
—______? It’s none of your business.
A. So what B. How come
C. Why not D. What for
It was too hard for the firefighters to get close to the burning building. All their attempts to rescue the people trapped were ______.
A. in place B. in return
C. in vain D. in danger
When first _______ to the market, the products didn’t attract much attention.
A. introducing B. introduced
C. was introduced D. being introduced
一My cousin would like to risk the weight-loss pills rather than in a gym．
—Really? She must be mad．
A．to take；work out B．to take；working out
C．taking；working out D．taking；work out
I’m not a little tired today after giving the room a thorough cleaning and I have never had ____ today.
A. as tiring a day as B. as a tiring day
C. tiring as a day as D. day as a tiring as
Faced with trouble or difficulty，a person takes _______help that is available．
A．whatever B．whenever
C．wherever D．however
