汉译英魔术表演 做出决定 二十一世纪 热烈欢迎 春节 女教师们 例如 扔垃圾 全世界 圣诞节
You will not succeed （除非） you work hard．
The British teacher is very humorous． He always tells us （笑话 ）．
Hainan is in the （南方）of China．
In autumn， quite a few （树叶） turn yellow and fall off the trees．
Computers were （发明） not long ago， but they are very useful for us．
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