Final answer:
To add or remove commas in the sentence, identify the different clauses and place commas appropriately.
Step-by-step explanation:
The sentence: 'M'Baku promised that his puppies though young and small could pull our sled across the snowy field.' requires correct punctuation. To add or remove commas, we need to identify the different clauses in the sentence. Here's the correctly punctuated version: 'M'Baku promised that his puppies, though young and small, could pull our sled across the snowy field.'
Learn more about Punctuation in English sentences