【简答题】二、短文填词 Litter is everywhere , doing great harm 4 6 the environment and life on our planet. Jeff Kirschner , who wants to build a litter-free world , started a global community named Litterati 4 7 (set...
【简答题】Online Shopping It's a tradition to buy presents before Christmas for Westerners .However , this year witnesses __1__ shoppers who devote themselves to browse around the stores .Compared to the tradit...