Question

We're not going on vacation ____ August.
since
although
for
until

Answer 1

We are not going on vacation until August.

• The term refers to a point of time or an event that is mentioned.
• It can be used both as a preposition and a conjunction
• For example: I was talking with my cousins until almost midnight or Tom didn't arrive until 9 o'clock this evening.
• In the given sentence, it is mentioned that people are not going on vacation till the month of August.
• Thus, the correct sentence is - We are not going on vacation until August.