How time flies! It's in two months ________ we'll say goodbye to our high school life.
A．before B．that
C．until D．when
Hardly ________ to speak ________ someone interrupted him.
A．had he begun; when B．he had begun; while
C．did he begin; when D．he begun; when
Is it that you often play computer games ________ worries your parents?
A．why B．that
C．which D．what
To live with a high ideal is a successful life. It is not what one does, ________ what one tries to do, that makes a man strong.
A．nor B．but
C．or D．and
David said that it was because of his strong interest in literature ________ he chose the course.
A．that B．what
C．why D．how
How many countries ________ the European Union made up of, do you know?
A．is B．are
C．have D．has
