What do you think of Tom？–He is a man of______words. He always stays alone(独自地).

We have friends to help us fight against pollution, and trees are one of ________.

Joan together with her parents ____ going to visit the Summer Palace this Saturday.

Itisimpolitetokeepsomeone_____ foralongtime.[ ]

You are always talking about your pet dog. Could you tell me what it is like? -_______.