Sometimes when I use the word 'too' I put a comma before the word, right after the last word used. Other times, not using a comma at all seems right to me.
I don't know which is correct.
For example, which of these two sentences are right...
"I saw the comet, too."
...or...
"I saw the comet too."
The first one looks right to me but I'm not sure. Then with other sentences, not using a comma seems right.
What do you think?
Thanks...
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