Unit 4 词汇和阅读.doc

Unit 4 Part 9 Vocabulary and Structure Directions: Choose the best answer from the four choices marked A, B, C and D. 1. She invited 500 people _ her beautiful ship. A. abroad B. aboard C. board D. broad Correct answer: B 2. The trains about to leave. All _! A. aboard B. on C. off D. abroad Correct answer: A 3. Houston experienced a _ growth after the war. A. broad B. mechanical C. wide