阿摩線上測驗
Being an enthusiastic participant in Expo 2010, Taiwan spent several months __________ a 1,400-square-meter pavilion.
(A)constructing
(B)contracting
(C)contributing
(D)advocating
答案：登入後查看
統計： A(132), B(1), C(10), D(3), E(0) #304292
統計： A(132), B(1), C(10), D(3), E(0) #304292
