【简答题】B People use their mouths for many things. They eat, talk, shout and sing. They smile and they kiss. In the English language, there are many meanings using the word “mouth”. But some of them are not s...
【单选题】听力原文: Today I will be talking about the invention of the camera and photography. Camera is often thought to be a modern invention. But as early as 1727, a German physicist discovered light darkened si...
【简答题】At Sunny Acres the campers must honor many traditions, including the custom of singing before an audience whenever they break a rule. If for example, 1. _________ reaches the dining hall late for supp...