________ much media attention is paid to the topic of raising children or caring for elderly parents in their final years, it seems ________ not much is explained on being a parent.
—You haven’t lost the ticket, have you? —______. I know it’s not easy to get another one at the moment.
He often made his sister ______, but this time he was made ______ by his sister.
—You seem to have lost your way. ______? —I’m looking for the nearest post office.
—You should have given me a ring before you left. —I meant______, but I was in a hurry that time.
Some researchers believe that there is no doubt ______a cure for AIDS will be found.