Fill in with ( since - for): I have had the same pen 2 years

- I had my cell phone
last month.

I have had the same pen for 2 years

I had my cell phone since last month

Explanation:

The correct answer would be I have had the same pen for 2 years. The other one would be I had my cell phone since last month.

Explanation:

If you were to put I have had the same pen since 2 years. That would not make no sense as neither will I had my cell phone for last month.

sorry, i just really need points. and to this question, maybe i know the answer. but i have no time now. d

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia