The twins are so much alike that their own mother can hardly ______ them ______ .
Mr Wang______an article on how to improve spoken English last month, but I don’t know whether he has finished it.
Mrs Brown was much disappointed to see the mobile phone she had had______the week before went wrong again.
I’m examining the composition he has just finished______the possible mistakes in it.
You can’t guess ______ when he was admitted by Beijing University.
As teachers, we feel______our duty to teach our children to be good wherever we are.