-Thiskindofsportsisexciting.
-Yes,butit'sdangerous.Onecan'tdoit_______heorshehasgotsometraining.
A、ifThroughout_______history,Englishlanguagehasgonethroughmanychanges.
Before you leave the classroom ，please __the lights.
-Howcanwehelpthechildreninthemountainvillage?
-Wecan_______leafletstoaskpeopletodonatemoney.
Ladies or gentlemen, whether young or old, _______ some money of yours to the poor people in the mountain area who are suffering.
The_______(南面的)sideofthebuildinggetsmoresunshinethanthenorthern.
