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.    

BY THE TIME we WILL ARRIVE, EVERYBODY WILL HAVE LEFT. 

• A. A. by the time
• B. B. will arrive
• C. C. everybody
• D. D. will have left

hành động arrive xảy ra trước everybody leave
=> chia ở hiện tại
=> B