<span>He was working as an engineer in Switzerland at the time.
"Was working" is past progressive. </span>
In building reading skills, vocabulary affects reading experiences directly as one may enhance his reading skills if his vocabulary is extensive.
The affect of vocabulary on a college student is immense as having an extensive vocabulary makes the study as well as conversation easy.
During the masters, I had to show perseverance as I had to persistent and determination for two years to get good result and that perseverance paid off at the end as I passed with first division.
One must have perseverance. Study regularly, make time table and follow it. Do not digress from your path to achieve success during college journey.
To learn more about perseverance here
brainly.com/question/17509886
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