问题
填空题
根据句意或首字母填入所缺单词。
1. Cars arc s______ than bikes. And they are also f______ than bikes and buscs.
2. He can run very f______.
3. Don't worry! This place is very s______.
4. There are too many p______ at the train station every day.
5. When you are in d______, please keep calm.
答案
1. safer, faster 2. fast 3. safe
4. passengers 5. danger