Many students are ________ chatting online, which wastes them plenty of time.

After arriving in the United States, this 20-year-old Chinese student found it rather difficult to _______ living on his own.

_______him and then try to copy what he does.

Overweight as she is, she can’t______being tempted to eat food full of sugar and fat 

 You have worked so hard---you’re____ to pass the exam.