选择题：－－ What did you have for supper, Jack? －－ I had some _____.

You don't mind ___you Xiao Li, do you?

I am not used to speaking ______ public.

－ Unbelievable! I have failed the driving test again! － _______. This is not the end of the world.

－ How many students do you teach? － _________

Hardly _______ on stage _____ the audience started cheering.