阅读下面材料，在空白处填入适当的内容（不多于三个单词）或括号内单词的正确形式。
Mike: I’d like to buy a computer. Could you please give meadvice?
Rose: Yes, with (please). I’ve got some information about computers. Computers with a P4 work much(fast) than other ones.
Mike : How about computers with a P3 ?
Rose: Oh, very good,they don’t work as fast as P4 computers, yet they are much cheaper. Generally (speak), they can meet people’s very well.
Mike: I think I buy the fastest one I can get. My old computer was out of work lately. It(work) slowly. I’ve got tired of that working speed.
Rose: I don’t think is necessary for you to buy the fastest one. It would be a waste of money. A P3 computer is ( probable) good enough for you.
Mike: Thank you for your advice. Can you help me choose one?