请在第II栏中找出与第I栏中句子相对应的答语，把其字母代号填到每小题前面的括号中。
The old man is_____.The children like him very much.
A. Mrs. Black B. Mr. Black
--_______are they? --They’re my grandpa and grandma.
A. Who B. What
You can a computer, a board and many desks and chairs.
A. look B. see
-- _________ is the sharpener？ -- It’s 4 yuan.
A. How much B. How many