It’s ____ you behave in difficulties that shows what you are really like.
I can’t help _____ myself on passing the examination.
I’m not sure if I should get a part-time job when I’m in college and that is ______ my parents’ opinions and mine differ.
This series of products ______ in special price for a month to promote its sales from next month.
Nowadays teens prefer going to the cybercafé ,_____ ,as is known to us, they can chat with their friends by QQ orplay games.
— Isn’t David an efficient manager? —Er, David is really great but sometimes he has problems ______his ideas.