問題詳情

43The construction company must pay to have archeologists _______the historical sites.
(A) study
(B)studied
(C)studying
(D)to study

參考答案

答案:A
難度:適中0.418803
統計:A(98),B(41),C(52),D(19),E(0)

內容推薦

內容推薦