【摘要】9B Unit1 词汇练习 Unit1 词汇练习 1. Huai’an is in the _______________(北方的)part of Yancheng. 2. Yesterday, he got to school early to ______________(升起)the national flag with his classmates. 3. People ________________(聚集) round, curious to know what was happening. 4. The balloon _________________(升) up quickly and soon disappeared in the air. 5. You will fail to catch the bus, _