we'll do what we can to help you
she's sure that the chinese languege is useful
the weatger in shanghai is far more changeable
lt's careless of me to much such a foolish mistake
how we miss our mother!
smoking is harmful to our health
pay avisit to
look out=wach out=be careful
give off heat
be responsible for sales
lt's important to save energy
basketball is one from of physical exercise
最后一句，应该是basketball is one form of physical exercise