John complained to the bookseller that there were several pages______in the dictionary.

, I ______ where helives —B：Don’t you carry youraddress book—A：No, I ______ to bring it

_________the original failure of his experiment,he still decided to continue his research[ ]

Isn’t it time you got down to ___ the papers?

.The company has changed some of its workingpractices__________complaints and criticism from the customers.