Tìm lỗi sai và sửa

tìm lỗi sai và sửa: giải thích luôn với ạ

1. She smelt something burning and saw smoke rise.

2. A football match begins with the ball kicking forwards from a spot in the centre of the field.

3. She always makes her children to pick up their toys before going to bed.

4. He says that speak a foreign language always makes him nervous.

5. It is common knowledge that solar heating for a large office building is technically different from a single-family home

6. There seem to be less tourists coming to the city this year.

7. The lion has long been a symbol of strength, power, and it is very cruel .

8. They had a discussion about training not only the new employees but also giving them some challenges.

9. What happened in the house that day were a secret because nobody was allowed to enter.

10. Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year.