---Where is my reference book? It was here a moment ago.---Someone ___ it by mistake.

--- How did you like the concert last night? --- I enjoyed it very much, but the dancers ______ a better job.

“I thought you wouldn’t mind.” “Well, as a matter of fact I don’t, but you _____ me first.” 

The traffic is heavy this day, I  _____ arrive a bit late, so could you save me a place? 

He had dreamed of going there for a long time. But he _______ he would have such an unpleasant experience.