John's mother used to be very _____ about what she wore,although her family was not that rich.
Many approaches have been _______ to control the spread of H7N9 Bird Flu.
–Carla _______ go to that historical museum after school when she was a teenager. --No wonder she is so familiar with it.
It is unfair that one can enjoy _______ just because he or she is rich or powerful.
--Sir, I feel it complicated to apply to a university abroad. --Why not read our guide? This is ________ the relevant information is available.
If you want to try out some new learning methods, you’d better select those that are most _______ for your own style.