Many people agree that______ knowledge o
题型:选择题
问题:
Many people agree that______ knowledge of English is a must in______ international trade today.
A.a; 不填
B.the; an
C.the; the
D.不填;the
Many people agree that______ knowledge of English is a must in______ international trade today.
A.a; 不填
B.the; an
C.the; the
D.不填;the