Question

It’s waste of time ___ his advice A) to ask B) asking C) ask D) having asked

Answer 1

Ответ:

Ответ - B

..............

Answer 2

Ответ:

It’s waste of timе askinghis his advice

Это пустая трата времени просить его совет

Answer 3

The correct answer is B) asking.

So the complete sentence would be: "It's a waste of time asking his advice."