. Clean water is ____ necessary than freshair to the people living in big cities.

――_______ you like to go with me to the cinema this evening――I’d love to, but I have to look after my little brother.

Measures have been taken to solve the problem, but it may be some time________the situation improves.[ ]

At school, our social circle is limited and we don’t communicate with anyone _______ people around us.

t want to go shopping. ________, it’s raining heavily outside.