The floor is all wet .Please ____ ___ .
When he arrived at the gate, he found a wallet _____ on the ground.
-You have got three dictionaries, don’t you ?- Yes, I bought one.______ two were presents from my parents.
My parents come from Hunan, but ____ of them likes hot food.
I don’t know when my father _____ back, but I’ll let you know when he ___back.
The children have six ______ classes every weekday.