III SpP3: Useful Language gapfill

As I ___, by far the most common technological devices in Vietnam are smartphones.

I'm ___ in using technological solutions to maximize learning opportunities.

I'm ___ there remain some constraints.

I couldn’t ___ the genders usually have different uses for their technological gadgets.

Apple is without ___ the most popular, but there are still a significant number of people who like Samsung.

Apple is without a doubt the most popular, but there are still ___ number of people who like Samsung.

Absolutely, modern technology has revolutionized the way we conduct our lives.