He doesn’t work hard at all . So it seems to _______ for him to pass the exam

His brother often _________a kite on Sundays.

It’s not_______ good idea to work hard for four hours without_______ break.

Peter has many brothers, but he _________ have any sisters.

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.