Question

—Do you know ____ the 2011 Xiamen International Marathon was held?
—On January 2．

1. A.
   when it was that
2. B.
   when was it that
3. C.
   what it was that
4. D.
   what was it that

Answer 1

A
考查含有强调句型的宾语从句。Know后面是宾语从句，从句要用陈述语序，排除B,D；根据On January 2，可知是询问时间，所以用when 引导，选A。