The teacher’s efforts ______ when one of his students was admitted to Beijing University last summer.

A. paid back   B. paid off   C. paid for      D. paid out

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源： 題型：

.The teache rfound ____ difficult to decide____ he would take with him to attend the

conference.

  A.it;whom        B.himself;who       C.this;whom      D.that;who

查看答案和解析>>

同步練習(xí)冊(cè)答案