Fill in the blank with the correct conjugation of "하다" using “(으)ᄅ 수 있다”:

저의 친구가 수영을 (a)   .

Fill in the blank with the correct ending to express desire using "가다":

세리 씨가 집에 일찍 (a)   .

Translate the following sentence:

"I will meet them in front of the school."

(a)  

Translate the following sentence:

"There is an airport behind the bookstore."

(a)