問題詳情
9. People who are _______ to the flu are strongly advised to get vaccine, since this can help them buildup their immunity.
(A) delicate
(B) feeble
(C) fragile
(D) vulnerable
參考答案
答案：D
難度：適中0.45
書單：沒有書單，新增
用户評論
【有哥在】評論
(A) delicate (adj.) ★★★；★★★(☆) ...