Mr. Logan ______the inspections of the factory’s facilities last Monday.

    1) finished      2) finishes

Prism Inc. _______ advertising its new makeup line next week.     

    1) has begun    2) will begin

The sales team _____ a sales workshop later today.

     1) is holding    2) holds

Mr.Specter _____the marketing team since 2012.

     1) will be managing   2) has managed

     1) had given   2) will give

    1) is landing

    2) was landing

    3) has landed

    4) landed

왜 그게 답인지도 알려주세요..ㅠㅠㅠ 저한테는 너무 어려워요..