19. Taipei 101 _______ the tallest building in the world, but it is still an important landmark
in the city.
(A) has been
(B) used to be
(C) is
(D) is once
詳解 (共 4 筆)
未解鎖
(B) used to be→ used...
未解鎖
used to 用來表示過去經常做的行...
私人筆記 (共 2 筆)
未解鎖
used to用來表示過去經常做的行為，...
未解鎖
19. Taipei 101 ___...
阿摩線上測驗
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