Question

Rewrite the sentence in present or past continuos tense
I _ a letter now (write )

Answer 1

Answer:

I am writing a letter now.

Explanation:

Here, am writing is Present Continuous Tense.

Answer 2

Answer:

The answer is " am writing ".

Explanation:

Past Continuous tense cannot be used as it says " now ". " Now " is meant to be the present tense.