We consider ____ absolutely necessary that we should open our door to the outside world.
He’s got himself into a dangerous situation ________ he is likely to lose control over the plane.
What surprised me was not what he said but _______ he said it.
—Sorry to hurt you. —_______. You didn’t mean to, did you?
Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
Tom joined a dancing group but didn’t seem to , so he left.