Would you mind __ me how ___ the chemistry problem?
—How do you study English? —I study English ______ talking with foreign students.
—Who is the man over there? —He is an old friend of _________ .
—Do you know what time _________ in Shanghai tomorrow? —He will tell us as soon as he gets the ticket.
—Will you play basketball against Class 3 tomorrow? —Yes. ________ it snows.
—Why didn’t you answer my telephone yesterday? —Sorry. I _______ a bath.