The school was moved out of downtown as the number of students had grown too________．

Volunteering is becoming ____ popular in China- Yeah, people are now aware that helping othersis helping themselves[ ]

Unsatiafied _____ with the payment, he took the job just to get some work experience. [ ]

My dad tells me not to ________ too late in the evening. He says it is dangerous.

Every year _____ money and energy is spent on environment protection.[ ]