Could you tell me something about the business your company is doing—We mainly ________ buyers from Europe and our products are well received.

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

What class are you in —I’m in ____, ____.

he and his brother in the same school— Yes. And they are my good friends.

hough computer screens don’t radiation, the stress from staring over long periods can cause harm to your vision.