The book has helped me greatly in my daily communication, especially at work _____ a good impression is a must.

Many developingcountries are unwilling to pursue their economic development ______ destroyingthe environment despite there being several financial crises

Monitor? — I’m not monitor of our classI __ with the teacher until the monitor is elected

Itisobviousthattalkingaboutsomethingbehindothersiswhateveryonewillnot________. [ ]

_____we are closely united, we can surely overcome these difficulties