阿摩線上測驗
48. Our esteemed professor known for his groundbreaking work
in quantum physics, is currently _____ sabbatical leave,
immersing himself in an array of research projects and
academic collaborations spanning continents.
(A) at
(B) on
(C) of
(D) in
答案：登入後查看
統計： A(35), B(42), C(12), D(20), E(0) #3246283
統計： A(35), B(42), C(12), D(20), E(0) #3246283
