In some countries children normally go ＿ bikes.
举一反三
- Many children in developing countries can not go to school, because of _______.
- In some families in western countries, some children address their parents or grandparents directly by their first names.（）
- 智慧职教: In some countries, ______ and poor children are victims of child labor.
- The news report says children in some countries have no money to buy watches.
- Some children are coming out of the building. Some of them ____ into the park. A: go B: is going C: are going D: going