شرکت در آزمون آنلاین
زبان انگلیسی 1
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درس2
| آزمون شماره 11631
The heart is a type of muscle whose primary responsibility is to ..................... blood throughout the circulatory system .
Many people think to be ........................ means to never disagree with anyone and always say 'yes.' But that is a wrong idea. You should stay true to yourself and practice saying 'no' when necessary.