Expect everything to go wrong in advance, ________ you may feel at a loss when it does.
| A．or | B．and | C．but | D．so |
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 thanin 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 |