—The population of the world ____ still ____ now.—So it is.A. are; growing B. will; grow C. is; growing
---Many students don’t know how to__________stress and become worried. ---I think they can ask their teachers for help.
__________ pleasant experience it is! I think I won’t forget the tour to Xi’an for ever.
Most boys _________ guns to dolls while most girls _________ have dolls than guns.
---I don’t care what my parents think. ---Well, you __________.
---My uncle goes to climb Mount Tai every year. ---Oh, really? He __________ climbing mountains.