1.     

____ all human infections so far are thought to have been caused by direct contact with sick poultry.

          a)  Most

          b)  The most

          c)  Most of

          d)  Almost

2.     

Mr. Cordingley said that the Sumatran cases presented a major puzzle, ____ they were the largest cluster of human cases to date.

          a)  because of

          b)  while

          c)  as

          d)  this

3.     

So far investigators know that the initial victim was a woman, ____ became ill at the end of April.

          a)  whom

          b)  who

          c)  whose

          d)  which

4.     

The subsequent six victims - ____ were positively identified as having the virus - had close and prolonged exposure to either her or other family members with the disease.

          a)  all of whom

          b)  all of who

          c)  of al whom

          d)  whom all of

5.     

Clusters of bird flu cases are viewed with far more concern than isolated infections, ____ the possibility of transmission between humans.

          a)  on account

          b)  because of

          c)  although

          d)  during

6.     

There have ____ been several cluster cases - such as one seen in Thailand in 2004 - although they have always involved fewer individuals than the Indonesian case.

          a)  yet

          b)  still

          c)  ever

          d)  already

7.     

The possibility that scientists are most worried ____, genetic mutation of the virus, has been effectively ruled out in this case.

          a)  with

          b)  for

          c)  about

          d)  of

8.     

The WHO says there is _____ in the village that it is difficult for officials to get enough co-operation from local people to do their job        

          a)  too much grief

          b)  so much grief

          c)  so many grief

          d)  such much grief

9.     

Problem-hit carmaker General Motors has offered ____ petrol prices for drivers of its vehicles in California and Florida in order to boost sales.

          a)  to subsidize

          b)  subsidize

          c)  subsidized

          d)  subsidizing

10.   

The move comes after oil prices ____ and US petrol costs hit record levels.

          a)  surged

          b)  decreased

          c)  survived

          d)  announced

                   

11.   

US gasoline prices climbed above $2 a gallon earlier this year, prompting ____ from consumers.

          a)  complains

          b)  complainants

          c)  complainingly

          d)  complaints

12.   

 The company explained that a ____ in California who bought a 2007 Chevrolet Tahoe and drove it 1,000 miles a month would get a credit of approximately $103.75.

          a)  consumption

          b)  consume

          c)  consumer

          d)  consumptive

13.   

Customers would get the money ____ to a credit card that would be valid until the end of 2007 and would not have a limit on mileage.

          a)  paying

          b)  to pay

          c)  pay

          d)  paid

14.   

One condition attached _____ the promotion is that drivers must sign up to GM's OnStar vehicle diagnostic service.

          a)  with

          b)  to

          c)  on

          d)  for

15.   

A Pentagon report warns that China is rapidly extending its military reach and could ____ a threat across Asia.

          a)  endanger

          b)  face

          c)  perceive

          d)  pose