题目内容
There are dangers in snow sports, however, which must be taken _____ of before one pursues the sport.
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Learning a language require time and ______ in addition to talent.
Nowadays, technology is increasingly being used to _______ what people are saying and doing (for example, through cellphone tracking and security cameras).
Biases against women are ________ in many places on the Internet.
You can _________ a trip based on your budget and affordability.
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