These aren’t my keys. Mine in the drawer.A. isB. areC. amD. were

问题补充：

These aren’t my keys. Mine in the drawer.

A. is

B. are

C. am

D. were

答案：

A. is

(答案→)B. are

C. am

D. were

解析：本题考查be动词的用法。本题的含义为这些不是我的钥匙。我的钥匙在抽屉里。本题中名词性物主代词mine指代我的钥匙，为复数，故后be动词用are；am用于第一人称单数后，is用于单数第三人称后，were表示过去，后三者与本题不符，故本题选B。