Choose the correct word for the following sentences. Write your answer in the comment box.
1. I ( decide/ decided ) to study english.
2. The teacher knows how to ( explain /explained ) the lesson very well.
3. Please, ( fill / filled ) in the blanks.
4. I ( finish / finished ) studying the lesson at 5:00 O'clock.
5. I ( follow / followed ) the teachers example carefully.