Like some of my classmates,I cannot live up to my teachers' expectations;________,I let them down.
What should we use for power when all the oil in the world has_____ ?
---Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?---I ______ after Mike, my colleague. He was badly ill.
---You’ve agreed to go, but why aren’t you getting ready?---But I ________that you ________me to start at once.
What can you suppose they___________ this time next year?
---Has George returned from Japan yet? I’d like to meet him. ---I’m terribly sorry, but he _______ back here only for last weekend.