Nouns + prepositions

I always have DIFFICULTY (a)   learning grammar.

During our childhood many adults havean INFLUENCE (a)   the way we think.

The agent was looking for the PROOF (a)   my innocence.

She always has a really good SKILL (a)   doing crafts.

I had never had INTEREST (a)   medical issues.

There is no point (a)   doing another cake. We already have two!

In a few years we will continue suffering the EFFECTS (a)   our lifes because of COVID.

There is a real NEED (a)   more jobs in our city.

In my opinion there are a lot of ALTTERNATIVES (a)   avoid poverty.

I hope I have more INVITATION (a)   that kind of events.