The committee is discussing the problem right now. It will ______ have been solved by the end of next week.
Peter’s shoes looked just the same as Jack’s, but it cost _____ his.
The novels written by the author sell best, but five years ago no one could have imagined how great a role he________in the literary world.
He turned down the request of his friend because it was________the limit of his power.
If you had worked hard, you ______ so anxious now.
______ I'm willing to help, I do not have much time available.