Part 1 Vocabulary SelectionIn this part, there are 20 incomplete sentences. Below each sentence, there are 4 choices marked by letters A, B, C, D respectively. Choose the word or phrase which best completes each sentence. There is only one right answer. Then mark the corresponding letter as required on your machine-scoring ANSWER SHEET. Part 2 Vocabulary ReplacementThis part consists of 20 sentences. In each of them one word or phrase is underlined. Below each sentence, there are 4 choices marked by letters A, B, C, D respectively. Choose the word or phrase that can replace the underlined word without causing any grammatical error or changing the basic meaning of the sentence. There is only ONE right answer. Blacken the corresponding letter as required on your Machine-scoring ANSWER SHEET. Part 3 Error CorrectionThis part consists of 20 sentences. In each of them there is an underlined part that indicates an error. Below each sentence, there are 4 choices marked by letters A, B, C, D respectively. Choose the word or phrase that can replace the underlined part so that the error is corrected. There is only ONE right answer. Blacken the corresponding letter as required on your Machine-scoring ANSWER SHEET.