There still some milk in the fridge. It’s not necessary to go to the store today.A. amB.

问题补充：

There still some milk in the fridge. It’s not necessary to go to the store today.

A. am

B. is

C. are

D. be

答案：

A. am

(答案→)B. is

C. are

D. be

解析：这里考核的be动词的用法，首先是there be的搭配，然后是some milk是不可数名词，所以选is。