The students practiced their spoken English by living with the foreign students .
You will become better by following my advice .
He became a research scientist by learning from the famous professor .
He tried to expand his vocabulary by reading newspapers and watching English films .其实就是“通过做什么事来达成什么目的”,把“达成什么目的”放在前面,后面加上“做某事”的动作加ing 就可以了.