---You haven't lost the concert ticket, have you?--______. I know it is not easy to get another one at the moment, but nowhere can I find it.
Helen was much kinder to her youngest son than to the others, ______, of course, made the others envy him.
_____to reach them on the phone, we sent an email instead.
He let me repeat his instructions_____ sure that I understood what was _____ after he went away.
— It’s the classroom! So you ______ know eating is not allowed here. — Oh, sorry.
—You don’t look well. Are you ill? —No, the mid-term exam is coming and Ireading until midnight.