A. To give a speech instead of the businessman. B. To type a One-hour speech for the businessman. C. To choose a speech from a book of speeches and type it. D. To make up a speech from some others and type it.
单项选择题He explained everything over and over again （） anyone should misunderstand him.
A. since B. when C. lest D. as if
单项选择题She is very careful. She （）very few mistakes in her work.
A. does B. makes C. takes D. gets
