They were all very tired, but ___of them would stop to take a rest. 

 Both teams were in hard training, _______ was willing to lose the game.

----- Have you informed Tom and Ann that some foreign experts will visit our company at 8:00 tomorrow morning? ------ Yes, I have. But_____ of them asked me to tell you that they would not be able to come. 

 Upon arriving home from a business trip, dad asked mum about my academic performance at high school and then _____ of my little sister, who was in junior school.

Of all the books on the desk,       is of any use for our study.