問題詳情

21. Carl is studying__________ food science at college and hopes to open up____________meat processing factory of his own one day.
(A)./ ；a
(B)./ ；the
(C).the ；a
(D).the ；the

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)