-Hello.May I speak to Bill, please?
-_________.
-Can you post these letters for us on your way home?
-- I'd like to invite you to a concert this evening.
-- Thank you, but I'm not sure at the moment ________ I'll be free.
—Let John take this place. He s older and should be more experienced.
—I don't think so. A man doesn't necessarily grow wiser ________ he grows older.
—Will you go now?
—Not until I ________ my experiments.
-What did you see in the garden?
-We saw a happy ________ of children playing there.
-Did you close the door?
-Yes, I remember ________ it.
—What about the price of these washing machines?
—They are equal in price to, if not cheaper than, ________ at the other shops in the street.
-What is your teacher of maths like?
-________.Which of the following answers is WRONG?