【简答题】根据所听内容,完成下列空格。 It was . Liu Jie was having a the park. Suddenly(突然地), he met his classmate Jack. Jack was than Liu Jie, but he was and . They are very glad to each other.They sat down a and had a chat...
【单选题】While we were running on the playground,Jack suddenly stopped ___________ and lay on the ground,so we all stopped ___________ what was wrong with him.