One thing that was really a turning point for me was when I learned Spanish

One thing that was really a turning point for me was when I learned Spanish. I was always kind of scared of learning a foreign language, yet I was really envious of kids (1) ______ could speak another language. When I started learning Spanish, (2) ______, I found that I was pretty good at it. The moment I reached that breakthrough stage - you know, when you discover you can actually speak and (3) ______ with people in the language - I felt really proud of myself. I realized that learning a foreign language was not an impossible thing after all. Now I can speak three: Spanish, Italian, and German. And I am (4) ______ Korean this year.
1. A. who                           B. which                 C. whom                D. what
2. A. therefore                   B. however             C. though              D. but
3. A. practice                     B. express              C. communicate   D. tell
4. A. doing                         B. making               C. taking               D. speaking
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