on/in the summer holidays

[Glizdka]

This comes from an exercise I found online. It doesn't come with an answer key. Could you kindly check it for me?

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Write the preposition to fill the gaps.

2.2. Are you going to work _______on______ the summer holidays?

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I'm torn between in and on.

 

[teechar]

"On" is wrong; "in" is possible, and so is "during".

 

[Tarheel]

Jack and Mack

Jack: Mack, are you going to work during the summer holidays?
Mack: You should know. You're my boss.
Jack: Oh yeah! That's right!

 

[emsr2d2]

In BrE, at least, "over" also works.