题目内容
If you have trouble reading aloud these words, you can repeat them over and over again ________ you are comfortable with them.
A. unless
B. if
C. until
D. while
C 【解析】句意:如果你大声读这些单词有困难,你可以一遍又一遍的重复它们直到你对它们感到舒服为止。A. unless 除非; B. if 如果,是否; C. until直到; D. while当---时候;根据you can repeat them over and over again和 you are comfortable with them.可知应是读到舒服为止;故选C
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