Question

He is a pickpocket. There is no doubt about it. (Combine into a single sentence by using a Gerund)​

Answer 1

Answer:

There is no doubt that he is involved in pickpocketing.

Explanation:

I can also write as "There is no doubting that he is a pickpocket".

But here is a difference of opinion in using "no doubting". Majority of people will say that it's wrong grammatically. Good question for a big headache. Haha...