Some people believe ________ is easier for small countries to become strong and rich than for large countries.

1. A.
   this
2. B.
   it
3. C.
   that
4. D.
   one

 Some people believe ___ is easier for small countries to become strong and rich than for large____.
A. that; country         B. it; one          C. that; countries         D. it; ones

Some people believe ________ is easier for small countries to become strong and rich than for large countries.

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