材料：2007年中日文化体育交流年的标志和标语（见下图）。其标志是中国、日本的英文打头字母“C”和“J”组成的心形标识，标语是“心的期待，新的未来”。

请回答：

写出反义词。

慌乱—____    喧哗—____    机敏—____    娴熟—____

根据所给首字母或单词提示, 写出正确的单词完成短文。

    On Sunday morning, I usually get up late. It is about 8:20 a.m. A____ I eat my breakfast, I often go to a shopping centre w____ my mother. The shopping centre is near my home, s____ we walk there. The shopping centre has a good n____.It is called “新世纪购物中心” in Chinese. It doesn't have an English name. Can you help to put it into E____?It is new and big. There are many t____ there, such as TVs, fridges, bikes, food and drinks. And the things there are usually good and c____.There are many p____there. They are men and women, old and young. Parents must look after their c____. The workers there are nice and f____. If you come to my home, I can take you there and have a look.

如图，将周长为16的三角形 $ABC$ 沿 $BC$ 方向平移3个单位得到三角形 $DEF$ ,则四边形 $ABFD$ 的周长等于 ____.