Many people agree that    knowledge of English is a must in    international trade today.

A．a；／                 B．the；an

C．the；the               D．／；the

Many people agree that ______ knowledge of English is a must in _______ international trade today.

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

Many people agree that ______ knowledge of English is a must in _______ international trade today.

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

 Many people agree that ______ knowledge of English is a must in _______ international trade today.

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

Many people agree that ______ knowledge of English is a must in _______ international trade today.

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

Many people agree that _________ knowledge of English is a must in _________ international trade today.

 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; /             B．the; an            C．the; the           D．/; 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

Many people agree that __________ knowledge of English is a must in _____ international trade today.

   A. the, an    B. a, /    C. the, the     D. /, the