I work in a business _________ almost everyone is waiting for a great chance.
| A．how | B．which | C．where | D．that |
With much work ________unsettled，the newlyselected president will have a hard time.
| A．remaining | B．remained | C．remains | D．to remain |
He was sitting on the floor ________ by books.
| A．surrounded | B．surrounding |
| C．surroundings | D．surround |
The weather turned out to be fine yesterday. I ________ the trouble to carry my umbrella with me.
| A．should have taken | B．could have taken |
| C．needn't have taken | D．mustn't have taken |
My father may have to go into hospital，________ he won't be going on holiday.
| A．in that case | B．in which case |
| C．in case | D．in the case |
Teenagers who discover they were ________ often search for their biological parents when they are old enough.
| A．adapted | B．adopted |
| C．brought up | D．looked after |