Mr. Herpin is one of the foreign experts who ___in China.
| A．works | B．is working | C．are working | D．has been working |
It takes a long time to ____ a good name，but this name is quickly lost by just one piece of bad behavior.
| A．pick up | B．think up | C．build up | D．make up |
According to the rules of the factory, you can ask for leave ________ you have a doctor’s diagnosed note.
| A．now that | B．on condition that | C．unless | D．even though |
Bob is in a hopeless situation, ________ we should keep a close eye on.
| A．which | B．where | C．that | D．when |
The most delicious bread in the world ______ by Mom. Please wait an hour to enjoy it.
| A．bakes | B．is baked | C．is baking | D．is being baked |
Mr. and Mrs. Scott prefer a trip in a small town toin so large a city as New York．
| A．this | B．one | C．it | D．that |