The old couple often take a walk after supper in the park with their pet dog ___.
The idea puzzled me so much that I stopped for a few seconds to try to _______.
One of the walls of the reading--room should be painted yellow, and ______.A. the other is white B. the others whiteC. the other white D, another is white
-- You know who came to our school yesterday?-- Professor Smith? We once met at a conference.-- ______. He came and gave a wonderful speech.
-- Do you enjoy ______ here?-- Oh, yes, the air, the green hill, the thickly trees. Everything is so attractive.
--Does he always keep an appointment, Jenny'?-- Seldom, ______.