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

Come and see me whenever ______

The skirt looks different from others and it is nice.– Thanks. It _____ by my mother last month.

下列各组加线的虚词意义和用法相同的一项是（ ）

Let’s go on a picnic if it_______ next Saturday.- But nobody knows if it_______ on that day.