I wonder if I can omit the article or not.

[WUKEN]

Hi teachers:
I would like to ask a question grammatically.
I wonder what sentences below I may write:
1.May I buy the book and the pencil?
2 May I buy the book and pencil?

I wonder if I should omit the second definite article "the " shirt or not .
Could you help me?
Thanks a lot!

[svartnik]

I would like to ask you a grammatical question.

I wonder what sentences below I may write

Which of these sentences below is correct, in your opinion?

Learning English | BBC World Service

the book and the pencil -- sounds like they do not come together in one pack
the book and pencil -- either one pack or not