The meaning of a word can be guessed according to the context, so you will not necessarily refer to a dictionary the next time ______you come across a new word.
- Have you known each other for long?- Not really. ________ we started to work in this school.
________ with some research materials, he decided on three possible approaches in his experiment.
- Remember the first time we ________, Ed ?- Of course, I do. You ________ a song on the stage.
Our bodies are ________ by working out. Similarly, our minds are developed by learning.
________ his spare time that his English has improved a lot.