—Hey,thewashinguphasbeendone!—That
問題詳情：
— Hey, the washing up has been done!
— That ________ Cynthia. She's always helpful.
A. need have been B. could have been C. should have been D. must have been
【回答】
D
知識點：虛擬語氣與情態動詞
題型：選擇題
問題詳情：
— Hey, the washing up has been done!
— That ________ Cynthia. She's always helpful.
A. need have been B. could have been C. should have been D. must have been
【回答】
D
知識點：虛擬語氣與情態動詞
題型：選擇題
