The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
I can not have you _____ ill of my good friend.
I have got _____ work to do on a ______ cold day.
He ______ told you that because you have known the truth.
She ____ have left school, for her bike is still here.
I should say sorry to you but I ____trouble.