I can do it "in the present".

[sitifan]

I can do it in the present. (my bold, at 3:00 in the video below)

Can I say "I can do it at present" or "I can do it at the present"?

PS:
From Fundamentals of English Grammar (Betty Azar - pg.163- exercise 10)

3) Newspapers report events that happen ___________ the present. (answer: in)
4) Last year, I was a junior in high school. __________ present, I am a senior in high school. (answer : at)
5) I am a student __________ the present time, but I will graduate next month. (answer: at)

 

[emsr2d2]

Can I say "I can do it at present" or "I can do it at the present"?

No.

PS:
From Fundamentals of English Grammar (Betty Azar - pg.163- exercise 10)

3) Newspapers report events that happen ___________ the present. (answer: in)
4) Last year, I was a junior in high school. __________ present, I am a senior in high school. (answer : at)
5) I am a student __________ the present time, but I will graduate next month. (answer: at)

The three given answers are the only possible correct options.