1.If you are travelling       the customs are really foreign to you,please do as the Romans do.

10. He felt it       (difficulty) to remember the new words.

9.Her breathing became      (steadily) and she fell asleep.

8.He has lost his      (believe) in the election.

7.The Eiffel Tower is one of the most famous      (structure) in the world.

6.There's a large       (various) of dishes on the menu.

5.A terrible air crash happened over the Atlantic Ocean,      (kill) 150 passengers.

4.Film has a much shorter history,especially when       ( compare) to such art forms as music and painting.

3.I was glad to learn of your appointment as      (region) manager.

2.People       (different) from each other in their ability of learning.