—Haveyouseenmycoat?—Oh,Marymusttakeit

問題詳情：

—Have you seen my coat?

—Oh, Mary must take it _________; she has the same one as yours.

A. by design          B. by mistake         C. by accident        D. by chance

【回答】

B

知識點：詞組 短語

題型：選擇題