— I worked till 4:00 a. m. to prepare a report for my boss.— ________ you look very tired.
—Please accept my apology for taking your umbrella by mistake. — It can happen to anyone.
—Would you like to join us in the walk? — , for I have two important letters to answer.
—Do you think that we should make preparations for the competition in advance? —Exactly. .
—I am terribly sorry I broke your teapot. —
—Can I speak to Mr. Smith, please? — He is having a meeting in the next room.