——It is a long time _____I saw you last. ——Yes.And it will be a long time _____ we see each other again.
The boy was made to the explanation(解释,说明 process of explaining) .
It’s your turn to _the tale
The doctor thinks he will pull now. His temperature has gone down.
He used to be very shy but he has grown it now.
They always lay a large supply of tinned food in winter in case they are snowed up.