書名：新多益閱讀滿分一本通
頁數：200
題目：
2._________ receiving notice that the company's chief supplier is going
bankrupt, management has been attempting to find a replacement.
(A) While
(B) Because
(C) Since
(D) Although
疑問： 答案是C,我選B, since 在這裡當連接詞，譯成"因為"，可是B 也是後面接子句
請問錯哪呢?感恩
17. Yearly maintenance checkups, _______ performed by a registered Bandy
mechanic, will guarantee the continued reliability of all Bandy hybrid
automobiles.
(A) if
(B) with
(C) for
(D) how
疑問: 答案是A，解答是寫因為分詞構句，可是分詞構句不是要去掉連接詞嗎?
25. Lunch will be served until 1:30 p.m. or _________ supplies last.
(A) until
(B) before
(C) while
(D) when
疑問: 答案是C, 不知後面的語意要如何判斷選什麼樣的連接詞，
這裡的last 是當adj.僅剩的意思嗎?
麻煩大家不吝解惑，感恩