Though I was tired out that evening, I _____ from falling asleep by the great pain in my knee.
Many people have been ill from a strange disease these days,________ we’ve never heard of before.
—He_______ to the meeting. Have you informed him of it? —Sorry. I________to.
It is not enough only________ the rules of grammar if you want to learn English well.
He________ the person referred to be put in prison.
______you I owe a thousand apologies________ having doubted your ability.