_____, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.
| A．Other things were equal |
| B．Other things being equal |
| C．To be equal to other things |
| D．Other things to be equal |
Workers who cannot speak good English may be at disadvantage ____ with foreign
customers.
| A．when interacting | B．when interacted |
| C．when to interact | D．when being interacted |
The poor boy seems _____ the news that his father died in the car accident for there is no sign of sorrow on his face.
| A．not to be known | B．not to have received |
| C．to have not received | D．not to know |
_____ more energy to my studies instead of to online games, I would be sitting in
a comfortable office now.
| A．Were I devoted | B．Had I devoted |
| C．Would I devote | D．Should I devote |
Faced with challenges, your ability is makes a difference.
| A．that | B．which | C．how | D．what |
The naughty boy had wanted to play football with the kids in the street, but his parents warned him ____.
| A．not to | B．not to do | C．to do | D．of doing |