Saving and recycling are long-termprojects ____ determination matters a great deal.

When we were young, every evening my brother and I _____stay at home waiting for our mother to come back from work.

will do good to a senior student to do a part-time job when she wants to know more about society

40I don’t remember how many years ago_________people began to growpine apples here

phy is the study of the countries of the worldand of such things ______ the land, seas, climate, towns, and population.