銀行◆英文題庫下載題庫

21. Please give us a call ________ you arrive at home. We want to know that you're safe.
(A) just
(B) must
(C) once
(D) twice
答案：C
21.到達家後，請給我們打電話。我們想知道您很安全。
(A) just 正好，恰好；僅僅，只是
(B) must （表示必要，命令或強制）必須，得；（表示肯定的推測）一定是，諒必，八成
(C) once 一旦，一經……便
(D) twice 兩次，兩回；兩倍
答案：C

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once用法：

1.說明：Once = When = as soon as ==> (conj.) 萬一、一旦、一旦...就會...

2.公式： once + S+ V，S + V

3.例句：

a). Once you get into a bad habit, you'll find it hard to get out of it. 一旦染上壞習慣，想改掉就難了。

b). Once the grapes were pressed, the juice was put into barrels.壓榨葡萄後，將果汁倒入桶中。(一旦葡萄被壓榨，葡萄汁就被放進桶裡。)