More properly, question words can be called ‘interrogative’ words.
<u>Who – What – Where – Why – Which – When – Whose – Whom – How</u>
‘Can’, ‘should’ and ‘would’ are other words used to ask questions in English. These words tend to require a ‘yes’ or ‘no’ answer, or an affirmative. Since these question word lead to an expected answer, they are not really questions.
That looks hard good luck!
Answer:
Some viruses are doctors' inventions.
Newer drugs inventions by the doctors, has really contributed positively on the global economic growth.
Making notes about specific parts of the text and or keeping a journal of your interpretations. Hope this helps! ;D