中大獎 發問時間: 社會與文化語言 · 9 年前

Penguins are ~~~為什麼用at?

請幫忙一下囉~謝謝

Penguins are birds, but they cannot fly. However, they swim very fast. They can swim 44 a speed of more than 15 miles per hour. While swimming, penguins use their feet 45 rudders to help them turn. Penguins feed on animals in the sea, such as fish, 46 , and shrimp-like creatures. The penguins’ spiky tongues help them hold on to the slippery fish. All penguins have very strong beaks, 47 they also use to defend themselves against enemies. There are 17 different kinds of penguins, but not all live in the ice and snow. For example, the fairy penguin lives along the shores and islands of southern Australia and New Zealand. 44 for on about at 47 which that who they為什麻44是用at呢?為什麼?47 用which~~為什麼? One of the nice things about the city of Washington, D.C., the capital of the United States, is that it has a number of large museums.請問~D.C.,是什麼?(第一行~)

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