Complete the sentences with suitable words.

Write one word in each gap.

Scientific exploration is much more difficult in practice than in t _ _ _ _ y [ ].

Anna tries to k _ _ p [ ] up with all the latest trends. She's so chic!

In c _ _ _ _ _ _ _ _ n [ ], I'd like to say that using robots in our everyday life may cause unpredictable consequences.

Facebook is a social n _ _ _ _ _ k [ ] that is popular worldwide.

I can't download this file because I have no connection to the I _ _ _ _ _ _ t [ ].