Choose the answer which correctly completes the sentence

Choose the answer which correctly completes the sentence.

I would like to drive across … Sahara Desert next year, but my wife is not very keen on the idea.

1. 
   the B) a C) an D) –
   

9. 
   Choose the answer which correctly completes the sentence.
   

Most people are extremely frightened of … by airplane; therefore, they prefer … by another means of transport even if it takes longer.

1. 
   To be travelling/ travelling B) travelling/to travel C) being travelled/be travelled D) to be travelled /being travelled
   

10. 
    Choose the answer which correctly completes the sentence.
    

Poverty, hunger, disease and war are man`s … enemies and the world would be a … place if the powerful nations spent half as much money and effort on these problems as they do on the space race.

1. 
   The greatest/much better
   
2. 
   Most great/much more better
   
3. 
   The greatest/by far the best
   
4. 
   Greatest/far better
   

11.