The reason _______ he is late is _______ there was a breakdown on the railway.  

A .why; why   B. because; that   C. that; because   D. why; that

The reason_____he is late is____there was a breakdown on the railway.

A. why;why　　　　 B.because; that　 C. That; because　　 D. why; that

The reason       he is late is    there was a breakdown on the railway．

The reason       he is late is     there was a breakdown on the railway．

    A． why; that       B． because; that  C． that; because  D． why; why

The reason ________ he is late is ________ there was a breakdown on the railway．

1. A.
   why; why
2. B.
   because; that
3. C.
   that; because
4. D.
   why; that