cho 8g CuO tác dụng vừa đủ với 200g dd axit HCl

a)Viết PTHH của phản ứng

b)Tính nồng độ phần trăm của dd axit HCl đã phản ứng

c)Tính khối lượng muối tạo thành sau phản ứng

i didn't know she was sick,so she did not come (see)..her

III/ Complete each sentence with “ said” or “ told”

1. Alice ………..…she wasn’t feeling well.         2. She ………….me that she would buy the tickets.

3. Who ……you that the train was going to be late.4. He ….he had worked in a factory for four years.

5. They ……..us they would invite us to their house for dinner.6. He …….he would teach me French