Question

訪客

27為什麼要用現在完成式
scans是動詞還是名詞

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一          Amazon just unveiled what it describes as the world:

Smost advanced shopping technology一Amazon Go in

Via an app on a Shopper's mobile deviee,  The app

the shopper enters the store. It lets you shop as normal and then seans what

you __27 as you Ieave the Store。 Amazon then bills you later and the Shopping gets charged to your Amazon,

|     account. JPhere is no waiting Jine, no  cashiers, and no being 二2  有 轉              eIS, credi
喲

|   也e new-concept grocery Store.

                                  The technology works
   automaticaljy cheeks nm __26

 

 

            

fransactionS Or waiting for change.                                            密生

e          Amazon Go may Tevolutionize the high Street Shopping eXDeTienGe and pro
|      grocery and convenience store markets, Where profit_ marginS are JOW an'
confldent t can change people?s Shopping habits。  Industry analystS
    Jhternet shopping. They 和hought it would make tt 30   conVenl

Shoppjng.

所和上Go日丰1

26. (A) now 也at                  (B) as soon as

2禾 了了

 

(A) bought                     (B) have bought

人

Answer 1

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彬

翻譯感覺是「掃描（類似結帳)你買了些什麼」，所以用現在完成式，。然後scan是動詞，跟前面let一樣因為it是第三人稱+S

訪客

為什麼要用現在完成式?

訪客

不太懂

彬

就是你已經買完了，所以(C)、(D)刪除，啊前面都是現在式，不可能馬上加一個過去式之類的吧（我有點用語感判斷~）

訪客

好的，謝謝