10번 문제중에서
After ( ) encouraged to submit a proposal, the Ralston Corporation decided to conduct a feasibility study.
1) been
2) being
3) were
4) was
being 은 왜 답이 안되는지 설명해 주세요^^
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10번 문제중에서
After ( ) encouraged to submit a proposal, the Ralston Corporation decided to conduct a feasibility study.
1) been
2) being
3) were
4) was
being 은 왜 답이 안되는지 설명해 주세요^^
1
