he is from the USA. 语法上没错误
但是一般说 He coms from the U.S.
what about she? 错了
what about her 后面的she应该是用宾语形式
she is a ugly girl.应该是 she is an ugly girl.a frog likes sleeping in winter just likes a bear这句话哪错a frog likes sleeping in winter just like a bearlike在这不用加S的吧