－Why are you looking so worried? Is there anything I can do for you?－The computer        break down when I nearly finished my composition.

—Who’s that over there, Is it Jane?—No, It ________ be Jane. She is ill in hospital today.

---____, sir, how can I get to the nearest bank?-- You can ________ a No 2 bus at the station..

---I haven’t got the reference book yet, but I’ll have a test on the subject next month.---Don’t worry. You ______ have it by Tuesday.

— It’s the classroom! So you ______ know eating is not allowed here.— Oh, sorry.