It didn’t ________ to me that the naughty boys should have ________ to prove what we discussed the day before.
Of the three statements he has suggested __ the heating problem, I think the last one is the best.
It was very kind of you to do the washing-up but you _____ it
Anyone providing information which leads to the recovery of the painting will be ________.
He tried his best to solve the problem, _______ difficult it was.
With so many things _______, we haven’t decided on the final plan yet.