whose dog is this?do you know?i don not know who is its m----.

whose dog is this?do you know?i don not know who is its m----.
he often goes running in the m-----.
i like making -----(friend)with different kinds of people.
Tom is the---(one)boy to find the anser.
I am--- --- ---this cat。我是这只猫的主人
They are --- --- ---。他们在互相打招呼
This is our --- --- --- and we are very happy。这是我们第一节英语课，我们非常开心。