---Carl, why not go and help your sister water the flowers there?  ---Why__________? I’m busy myself. Jack is lying on the grass doing nothing.

I love my new school because the teachers ________ very kind to me.

—Have you finished your work yet?—No，not yet. I think it’ll take ________ minutes. 

________ is your school life like?  --It’s very wonderful.

______ is impossible if you put your heart into it.