if you worry a lot and don't want to tell us, you can solve it by seeing a _psychologist
looking after her sick mother has also _influence__ her study.
Tom can work out the math problem _easily__ without any help.
it is ___ of you to care more for the best students in our class.
this is an ___ thing. forget it and try to be happy.
you should learn to enjoy _facing_ the challenges
I'm sure the __agreement_ between us will last forever.
being _developed__,we must behave better than teenagers.