Question

the behaviour of these children ___praiseworthy??​

Answer 1

Answer:

the behaviour of these children are/is praiseworthy

hope it helps you please mark me the brainlest

Answer 2

Hey mate...

your answer is "the behaviour of these children is praiseworthy."

Explanation:

because the verb to be used should be according to the first part of the sentence i.e. the verb should be according to the word "behaviour" and not according to the word "children".