Almost everyone agrees that outdoor air pollution is a ________ problem.
(A) substantial
(B) vertical
(C) inspire
(D) awaited

答案：登入後查看
統計： A(319), B(76), C(7), D(41), E(0) #318155

詳解 (共 3 筆)

#423394
substantial: 真實的, 實在的
8
0
#616980
(B) vertical a. 垂直的
(C) inspire v. 鼓舞
(D) await v. 等待（+ving）=wait for N.
5
0
#747832
substantial 這裡是指"重要的"
2
0