取一定量的氧化铁与氧化铜的混合物，加入200g质量分数为4.9%的稀硫酸，恰好完全反应生成盐和水．原混合物中氧元素的质量是（ ）
A：6.4g
B：3.2g
C：1.6g
D：0.8g
The red coat ______ be Tom's. He never wears red clothes.
cooked , was , tired , visited, washed , cleaned , in , goes , told , next
My mother____busy last weekend . She____my grandma on Saturday m orning . They ____noodle together____the evening , she ____the clothes . She often____to the park, but she____my bedroom last Su nday. In the a fternoon , she went shopping . After supper , she ____stories for me .She was very ____last weekend . So I will help my mother do housework ____ weekend.
日本在19世纪末和20世纪30年代的两次侵华战争中，曾对我国两个城市的和平居民进行过野蛮的大屠杀。这两个城市是（ ）
李某因扰乱公共秩序被处罚款；王某因醉驾被处拘役，他们的行为分别属于（ ）
