109. Harvex National will expect to receive ------- for the goods ordered within seven business days of being invoiced. 

(A) proof 

(B) discount

(C) expense

(D) payment


110. The fund-raiser for Borman Corporation ended up being a successful event for everyone -------, since monetary goals were surpassed.

(A) involvement

(B) involves

(C) involving

(D) involved


나 왜 답을 봐도 이해가 안가지...... 하.... 이래서 내가 RC를 400을 못넘기나