George is working hard.(就划线部分提问)

This boy is working hard.划线部分提问,划线部分是working hard the students are working hard(对划线部分提问)hard划线 They are （working hard）就括号部分提问 my math teacher said I was hard-working对划线部分提问 I was hard-wo The twin sisters are more hard-working at school.(对划线部分提问,线划 This is X.就划线部分提问(划线部分：x) She is short.(就划线部分提问) 就划线部分提问 My desk is there.(there 划线) the desk is hard and smooth.(对划线部分提问）（划线部分是 hard and smooth） It is Monday.(就划线部分提问) --------------is it? jim and i are working对jim and i划线部分提问是用who is working 还是are our english book is blue (就划线部分提问）