
(1) The ___________ temperature of the human body is about 37℃.
(2) We dressed up for the party but she was still in her___________clothes.
(3) The people at the meeting are from different countries, but they regard English as a(n) ___________ language.
(4) Harry visited the bookstore every week. He became such a ( n) ___________ customer that the bookseller gave him some books as presents.