II. Chọn đáp án đúng có đáp án

People tend to be unaware of the messages they are sending to others. So, it is _______ to consider your own body language before dealing with people from other cultures. A. usefully B. use

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People tend to be unaware of the messages they are sending to others. So, it is _______ to consider your own body language before dealing with people from other cultures.

usefully

use

usefulness

useful

Giải thích

Chọn D