問題詳情

18.( ) Alice fell asleep as soon as her head hit the pillow. She _______ tired after all the walking.
(A) could be
(B) must have been
(C) may be
(D) should have been

參考答案

答案：B
難度：困難0.393939
統計：A(6),B(26),C(12),D(12),E(0)

用户評論

【livia0001】評論

求解 謝謝

【王怡婷】評論

must have been好像是「幾乎」的意思