单项选择题
A．driving short distances in hot weather B．having their car insured for ￡ 20 C．driving slowly at all times D．making sure their car is in good working order
A．I doubt you will start a business in the same way B．I don’t believe your business will succeed if you start that way C．I think it is likely you start a business that way D．I have no idea if you will start a business that way
A．different people have different ideas about the telephone B．high income is the precondition for the use of telephone C．telephone is essential only to those people whose career depends on it D．working people need a telephone