In ____late 19th century, computers changed _____great deal and were widely used______international trade.  

   A. the; a; the   B. the; the;不填   C. the; a; an    D. the; a; 不填

In ____late 19th century, computers changed _____great deal and were widely used______international trade.  

   A. the; a; the   B. the; the;不填   C. the; a; an    D. the; a; 不填

.In ____late 19th century, computers changed _____great deal and were widely used______international trade.  

   A. the; a; the   B. the; the;不填   C. the; a; an    D. the; a; 不填

In ______late 19th century, computers changed _______great deal and were widely used_______international trade.

1. A.
   the; a; the
2. B.
   the; the;不填
3. C.
   the; a; an
4. D.
   the; a; 不填