The parents feel hopeless when their son has_____ internet games for so long.

Fur coats are good means to ______ people from frost bites in cold winter. 

It remains to be seen what effects the new educational reform will _________ students.

—Did you make sense of what the man said just now?—No, his meaning didn’t         . Would you explain it to me? 

Buses have routes. They ________ and ________ people at different places on the routes.