根据句意和首字母或汉语提示，将单词的正确形式写在题中相应的横线上。
【小题1】There’s nothing in this box. Look, it’s eempty .
【小题2】If you are in danger, remember to dial (拨) the telephone n number 110 at once.
【小题3】— Do you know what the p population of China is now?
— It’s over 1.3 billion.
【小题4】The ice is too t thin . It’s very dangerous to skate on it.
【小题5】It’s good for our health to g get up early in the morning.
【小题6】Last summer holiday, my teacher introduced (介绍) Joy to me, and now we are close friends.
【小题7】Jack is so smart that he can answer these questions easily (容易地) .
【小题8】People will use robots to do the housework (家务) in the future.
【小题9】Little Tom did quite well in the English exam. He hardly made any mistakes （错误） .
【小题10】This is our new teaching building. It was built （建造）last year.
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解析：
【小题1】empty 根据句子意思，上文指盒子里什么都没有，所以用empty
【小题2】number 根据句子意思，指拨电话号码，所以填number
【小题3】population 根据句子意思，指中国的人口，而且人口的提问就是用这个句型。
【小题4】thin 根据下文，在上面滑冰很危险，所以用冰太薄，填thin
【小题5】get 根据下文morning，所以用起床，用短语get up
【小题6】introduced 根据中文意思，用introduce，根据上文的Last summer holiday，所以用过去式
【小题7】easily 根据所给中文，再加上是修饰动词，所以用副词，注意拼写
【小题8】housework 根据中文意思，直接选填housework
【小题9】mistakes 根据中文填mistake，它为可数名词，前面没有冠词a，所以以复数形式
【小题10】built 根据中文意思，用build，是被建造，所以用be done,故填built。