The tourists ______ have been to Mount Huang lost ______ in the beautiful scenery there.

I am tired after the long walk.I want to have a __.

While I ______ with Lily, the school bus came.

_________ are both studying at Nantong Middle school.

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