题目内容
Learning a language require time and ______ in addition to talent.
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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.
The Red Cross Society of China has collected $2.5 million for the flood relief ________.
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