He was homeless, so we took him ____

The European Union universities are _______ mostattractive because they have ______ diversity of cultures and teaching methods

There ________ some bottles on the table and there ______some milk in them.

To keep safe ________ an earthquake, you should remain at a spot in your room where nothing may fall on you.[ ]

When something is wrong with your robot， it might ______ in your flat.