II. There is ONE mistake in each sentence. Find and correct it

1. The most problematic of the four major language skills are probably that of writing.

⇒ The most problematic of the four major language skills is probably that of writing.

2. His team promise that they should win the match next summer.

⇒ His team promised that they should win the match next summer.

3. The children are very boring and they don’t know what to do.

⇒ The children are very bored and they don’t know what to do.

4. Do you think that is there another mountain higher than Mount Everest?

⇒ Do you think that there is another mountain higher than Mount Everest?

5. The News program help TV viewers know about what happens every day in their country as well as all over the world.

⇒ The News program helps TV viewers know about what happens every day in their country as well as all over the world.

Bạn tham khảo ạ! Chúc bạn học tốt! :'D