My sister and I in No.7 Middle School. A. amB. isC. areD. be

问题补充：

My sister and I in No.7 Middle School.,

A. am

B. is

C. are

D. be

答案：

A. am

B. is

(答案→)C. are

D. be

解析：本题的主语是两个人，为复数，故be动词用are，故本题选C。