摘要： To succeed in a difficult task, . A. one needs to work hard B. to work hard is needed C. you need be a hard-working person D. to work hard is what one need Vocabulary Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentences.
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18. To succeed in passing the exam(ination)/a difficult/hard/tough task, ________
A) one needs to be diligent/work hard/to be hard working
B) diligence/to work hard/hard working is needed
C) one of the necessary quality is diligence/to work hard/hard working
D) diligence/to work hard/hard working is what one needs
E) you need be a diligent/hard-working person
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