问题 填空题 根据例句补全下列句子。1. Why is she crying? Because she hurts her finger.2. ____________ is ____________ quiet? B____________ she ____________ reading a ____________.3. ____________ are ____________ happy?B____________ they ____________ playing ____________. 4. Why is he ____________?____________ it is rainy. 答案 2. Why, she, Because, is, book3. Why, they, Because, are, football 4. wet, Because