Which sentence correctly rewrites the sentence: 'How often do the buses run?

'The Prime Minister was asked' principal clause এর পর WH-word + assertive sentence (subject + verb + extension) হবে। 'what he intended' এই নিয়ম অনুসরণ করে। 'did he intend' direct question এর গঠন।

Can anybody tell me' principal clause এর পর WH-word + assertive sentence (subject + verb + extension) হবে। 'how tall she looks' এই নিয়ম অনুসরণ করে। 'how tall does she look?' direct question এর গঠন।

'Do you know' principal clause এর পর WH-word + assertive sentence (subject + verb + extension) হবে। 'why Abir is absent today' এই নিয়ম অনুসরণ করে। 'why is Abir absent today' direct question এর গঠন।