Mixed race marriages were forbidden ________.

1. A.
   by the law
2. B.
   by law
3. C.
   by laws.
4. D.
   by a law

Mixed race marriages were forbidden ________.

[　　]

At that time ________ marriages were forbidden by law in the United States.

1. A.
   mixed-race
2. B.
   mixing-race
3. C.
   race-racing
4. D.
   race-mixed

At that time ________ marriages were forbidden by law in the United States.

[　　]

At that time mixed race marriages were forbidden __________.

A. with law　　　　 　　　　　　　　　　　　　　　　　　  B. by laws

C. in law　　　　  　　　　　　　　　　　　　　　　　　    D. by law