I can see a pen some pencils on the desk.A. areB. andC. butD. to

问题补充：

I can see a pen some pencils on the desk.

A. are

B. and

C. but

D. to

答案：

A. are

(答案→)B. and

C. but

D. to

解析：句意：我看到一支钢笔和一些铅笔在桌子上。表示并列关系，应用and。