We have to get to the bus station ___________ 8 o’clock, or we’ll be late.[ ]

．His hair is shorter than _______．

It’s said that the famous scientist will give us _________advice on maths study. —__________good news! I’m not good at it.

Have you got the airplane tickets? -No, because it’s May Day ,all the tickets to Beijing______out.

Have you been to the Great Wall?－Perhaps not in my memory. _______ , it might have been during my early childhood.