問題詳情

 Sam: Hi, Susan. What are you 21 ?Susan: I’m 22 for my sister.Sam: Where is she ?Susan: She is over there. 23 !Sam: Oh, yes. She is 24 .（Susan introduces Sam to her sister.）Susan: Sam, this is my sister, Jessie. Jessie, this is my friend, Sam.Sam and Jessie: Nice 25 you. Introduce 介紹
21.
(A) do
(B) doing
(C) to do
(D) does

參考答案

答案：B
難度：非常簡單1
統計：A(0),B(1),C(0),D(0),E(0)

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