Harry Potter is so interesting a book that lots of teenagers like to read _

She is too busy to help us finish the work.— Let’s do it ________.

Look at the clouds! I think it’s going to _______. —Oh, we have to run home.

How can I get on well with others, Dad? — Try to smile to others, boy. That will make ________ much ________ .

The question we should call in a specialist now was raised by the family doctor.