25 : 5 = 5

Chọn 1 lỗi sai trong phần gạch chân và sửa lại cho đúng.

1. The park keeper told us not walk=> not to walk on the grass or we would be fined.

2. John used to smoking=> smokw cigarettes when he was a young man.

3. One of the worse=> worst diseases mankind has ever faced is cancer.

4. I could easily convince him not to become too excited for=> about all the media attention.

a/ 9 số

b/ 9000 số

c/ n-1