Letterboxes are much more______in the UK than in the US,where most people have a mailbox instead.

A.common                                 B.normal

C.ordinary                                  D.usual

Letterboxes are much more ________ in the UK than in the US, where most people have a mailbox instead．

       A．common   B．normal     C．ordinary   D．usual

Letterboxes are much more _______ in the UK than in the US, where most people have a mailbox instead.

A. common         B. ordinary         C. normal           D. usual

 Letterboxes are much more       in the UK than in the US, where most people have a mailbox instead.

A．common               B．normal

C．ordinary             D．usual

Letterboxes are much more ______ in the UK than in the US, where most people have mailbox instead.

A. common　　 B. normal　　 C. ordinary　　　 D. usual