[考題] 文法問題

[APE36 (PT鄉民)]

The letter of recommendation,as well as the application forms,___ ready to mail.
(A) is   (B) are  (C) gets  (D) get

請問為何是A呢  D的答案錯在哪?
如果改為B為何也不行?


We were asked by our tour guide on the shuttle bus from the airport to the
resort to remain ___ until we reached our destination.
(A) to seat   (B) seating   (C) seated   (D) being seated

請益為何是C，B的答案不行?不是remain後面動名詞?
以上問題，謝謝

--
                       Ｑ：高雄市的飆車族到底多不多？

　　　　　Ａ：飆車族不多阿，只有一兩台，前面五十台是不敢停下來，怕被砍

--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.27.123.16
※ 文章網址: https://www.ptt.cc/bbs/Eng-Class/M.1426260956.A.B6C.html
推 IcecreamHsu: A,as well as B,V請用A的動詞型式
→ IcecreamHsu: 以這題為例 the letter是單數 故須加s
→ IcecreamHsu: be ready 表狀態 get ready表動作
→ IcecreamHsu: remain可加現在分詞也可加過去分詞
→ IcecreamHsu: seated是固定用法 表就座的
→ IcecreamHsu: 你想像人坐在位子上被安全帶綁住 就能明瞭為何用被動