-- It’s difficult to live in a foreign country, _______ if you don’t speak the language.

-- I really agree with you.

       A. correctly                  B. naturally                   C. usually                     D. especially

It’s difficult to live in a foreign country，________if you don’t speak  the language

It’s difficult to live in a foreign country，________if you don’t speak  the language

1. A.
   importantly
2. B.
   naturally
3. C.
   especially
4. D.
   usually