SSC CHSL Model Paper 9

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DIRECTIONS (Qs. 67 to 68): Sentences given with blanks are to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four.
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Question : 68 of 100
 
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A foreign language or mathematics may call forthree or more hours per class, at least until you have mastered the______.
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