阿摩線上測驗
25. Patterns are useful as a tool that grabs a viewerʼs attention, _____ subtle or very apparent.
(A) that is
(B) no matter is
(C) whether it be
(D) in that is
答案：登入後查看
統計： A(22), B(123), C(160), D(16), E(0) #3105313
統計： A(22), B(123), C(160), D(16), E(0) #3105313
