Question

________did Millie get the information on Olympic Games？Millie got the information on Olympic Games by surfing on the Internet．

1. A.
   Where
2. B.
   When
3. C.
   Why
4. D.
   How

Answer 1

D
分析：by surfing on the Internet意思是“用上互联网的方式”，对方式提问时用how(包括交通方式)。