Themanagerenteredtheofficeandwashappytolearnthatfour-f...

問題詳情：

 The manager entered the office and was happy to learn that four-fifths of the tickets ______.

A. was booked    B. had been booked 

C. were booked    D. have been booked

【回答】

B

知識點：過去完成時及其被動式

題型：選擇題