按要求改写句子：（1）''My grandpa doesn't like coffee or coke,''said B

按要求改写句子：（1）''My grandpa doesn't like coffee or coke,''said Bob.（改为间接引语）（2）If there is no rain,we'll have no water to cook food.（保持句意不变）（3）The computer cost （5000 yuan）.（对括号部分提问）（4）Paul has breakfast at 7:30 every morning.（改为反意疑问句）