ANSWER:

Yes, lower your gaze and listen to the lecture without seeing her. 

https://www.assimalhakeem.net/are-boys-allowed-to-study-at-mixed-universities-knowing-that-in-our-country-all-universities-are-mixed-2/

I live in england and you have to go to school. I am 15 and go to high school. Do I have to lower my gaze for female teachers when they are teaching me? If I dont look I can get behind in my studies.

Halal/Haram Matters | January 20, 2020 1:08 pm
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In our native country when approving a building plan there are certain regulations we have to adhere to as building on 65% of land coverage etc.Regulations are periodical & keep changing.what happens mostly is once the plan is approved the owners adjust the plan and add to meet their requirements on the basis that it’s done within their landlimit with no harm on their neighbors. Is this ok
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Sheikh i have one long hair on my eyebrows very long thank the others is is allowed to pluck it i am a man