The teacher tells his students to read the novel over and over again until they ______ it.

　 A. understand 　 B. understood

　 C. have understood 　 D. have been understood

 

A

 

until 引導(dǎo)的是狀語(yǔ)從句。

 

練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來源： 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