What does your mother ________—She is of medium build with long straighthair.

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

When and where this took place _____ still unknown.

The presidents of China and Russia had ____interview a short time ago .— And it was ____ great success. .

Excuse me, Mum. When can we have dinner —Not until it inhalf an hour.