Ifyouhavetroublepronouncingthesewords,youcanrepeatthem...

問題詳情：

 If you have trouble pronouncing these words, you can repeat them over and over again　　　         you are comfortable with them.

A. unless              B. if               C. until          D. while

【回答】

C。考查連詞辨析。句意: 如果這些單詞你發音有困難, 你可以一遍遍地重複, 直到你熟練為止。unless“除非; 如果不”; if“如果”; until“直到……才”; while“當……時”。

知識點：連詞

題型：選擇題