根据首字母提示填词，完成句子。

The words in dictionaries are listed in alphabetical o______.

根据首字母提示填词，完成句子。

We must pay a______ to the first letter of the word.

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We use d________ to look up new words.

根据首字母提示填词，完成句子。

When did s_______ invent the first robot?

根据首字母提示填词，完成句子。

I was r______ my computer when my father come in.

根据首字母提示填词，完成句子。

There are no living things on other p______.

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We can get lots of useful i_____ on the Internet.

根据首字母提示填词，完成句子。

Robots can do hard and boring work in some work s______.

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Long before 1921, something like robots a______.

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R______ can do lots of dangerous work instead of humans.