单项选择题
A．The long wait. B．The broken-down computer. C．The mistakes in her telephone bill. D．The bad telephone service.
A．They spent three hundred dollars on their vacation. B．They drew money than they should have from the bank. C．They lost their bankbook. D．They had only three hundred dollars in the bank.
A．To remind him of the data he should take to the conference. B．To see if he is ready for the coming conference. C．To tell him something about the conference. D．To help him prepare for the conference.