Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?
--- Each of the students, working at his or her lessons, ____ to go to university.---So do I.
David apologized for ________ to inform me of the change in the plan.
Many of the children are so accustomed to ______ that they react violently when they hear something different.
—Do you like Nack ? —Yes , Nack is good , kind , hard –working and intelligent; , I can’t speak too highly of him .
It is said that our body _______ 206 bones; if one of _____ is broken, it will cause inconvenience of some kind.