A question from an online English level test (https://antischool.online/cabinet/online-test/?utm_source=youtube&utm_medium=social-organic&utm_campaign=test&utm_content=ariz&utm_term=levels-01.06.21):

№9 -Online check-in should be ______(11) until you will ____ (12) at the airport so you'll chose the best seats.

-Of course! Thanks for your help!


A. complete; have arived

B. completed; arrive

C. completed; have arrived (seems to be the intended answer, because when it's changed, points are lost)

Is this sentence grammatically correct? What is the meaning of this sentence? Which answer is correct?

P.s. A free online lesson is offered to those who finish the test)))

  • 2
    In my opinion, it's completely wrong. It should probably read "Online check-in should be completed before your arrive at the airport so [that] you can choose the best seats."
    – JavaLatte
    Jul 15, 2021 at 13:15
  • 3
    I agree with @JavaLatte (although I think you mean "before you arrive"). As the sentence is written, I can't see any correct way to complete it. Online check-in should be something until something else? The only kind of verb I can see fitting in there would be something like defer.
    – stangdon
    Jul 15, 2021 at 13:29
  • 4
    I think a free online lesson from that group would be a really bad idea. Jul 15, 2021 at 13:50
  • 2
    @JackO'Flaherty Well, it is called antischool. Perhaps the clue is in the name! :D Jul 15, 2021 at 22:55
  • Looks like the comments answer my question
    – Zak
    Jul 19, 2021 at 11:28


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