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A lot of people often forget that oral exams ______ to test our communicative ability．

         A．design                      B．are designed

         C．are designing              D．are being designed

A lot of people often forget that oral exams ______ to test our communicative ability.

A. design　　　　　　　　　　 B. are designed

C. are designing　　　　　　 D. are being designed

A lot of people often forget that oral exams ______ to test our communicative ability．

       A．design                 B．are designed

       C．are designing           D．are being designed

 A lot of people often forget that oral exams______to test our communicative ability.

A．design            B．are designed

C．are designing       D．are being designed

 A lot of people often forget that oral exams______to test our communicative ability.

A．design            B．are designed

C．are designing       D．are being designed