Complete the following sentences using by or until.
1I will keep asking ............... you send my payment.
Wrong!
Use "until" because the action continues up to the time when payment is sent.
2The shop is open ............... 9 pm.
Wrong!
Use "until" because the shop remains open up to 9 pm.
3They said that they would finish the job ............... Friday.
Wrong!
Use "by" because Friday is the deadline for finishing the job.
4I waited for him ............... 12 o’clock, and then I went home.
Wrong!
Use "until" because the waiting continued up to 12 o’clock.
5I will be staying in this city ............... the end of this month.
Wrong!
Use "until" because the stay continues up to the end of this month.
6I will arrive home ............... five o’clock.
Wrong!
Use "by" because five o’clock is the latest time for arriving home.
7............... the end of the party, everybody was drunk.
Wrong!
Use "By" because the sentence describes the result at the end of the party.
8I will have gone to bed ............... you get home.
Wrong!
Use "by the time" because going to bed will be completed before you get home.
9I will be ready ............... you arrive.
Wrong!
Use "by the time" because being ready will be achieved before or when you arrive.
10I will wait here ............... you come back.
Wrong!
Use "until" because the waiting continues up to the time you come back.
Done.
Score: 0/10
Answers
- I will keep asking until you send my payment.
- The shop is open until 9 pm.
- They said that they would finish the job by Friday.
- I waited for him until 12 o’clock, and then I went home.
- I will be staying in this city until the end of this month.
- I will arrive home by five o’clock.
- By the end of the party, everybody was drunk.
- I will have gone to bed by the time you get home.
- I will be ready by the time you arrive.
- I will wait here until you come back.

