Choose the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
1. Children spend too much time to play video games.
2. If you want to gets better marks, you must work much harder.
3. After his accident last month, he drives more careful now.
4. A tractor can plough welly than a buffalo or a horse.
5. During harvest time, farmers have to get up earlier, but they have to work harder.
