Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

I’ll come and see you before I _______ for the States. 
 

• A. A. leave
• B. B. will leave
• C. C. have left
• D. D. shall leave

LTĐ before + HTĐ
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