Here are the suggested answers for the fill-in-the-blank questions:

**Question 8:**
Scientifically-minded people generally believe _____ they feel there is a perfectly natural explanation for most things.
**Answer:** A. because

**Question 9:**
_____ a university professor returns from a sabbatical leave, he should be better qualified.
**Answer:** D. yet

**Question 10:**
Malcolm was a teacher _____ love of hard rock and metal guitar was well known to everyone at the school.
**Answer:** B. whose

**Question 11:**
I started the day with a heavy headache and took some aspirin after breakfast to get rid of it, but I still _____ better.
**Answer:** A. not

**Question 12:**
Winning isn't everything, but _____ it is.
**Answer:** B. but

**Question 13:**
I love you in this way because I do not know any other way of loving, _____
**Answer:** A. except

**Question 14:**
I wish you _____ throw rubbish out of the car window.
**Answer:** B. wouldn't

**Question 15:**
The whole purpose of education is to turn mirrors _____ windows.
**Answer:** D. into

**Question 16:**
An astronaut can _____
Answer choices are missing, so please specify if you need help with that.

Let me know if you need further assistance!