People are puzzled _____ they read the book.A.the first timePeople are puzzled _____ they read the book.A.the first time B.at the first time C.for the first time D.at first which and why?
问题描述:
People are puzzled _____ they read the book.A.the first time
People are puzzled _____ they read the book.
A.the first time B.at the first time C.for the first time D.at first
which and why?
答