English Grammar - Find the mistake

I tried to explain him the problem, but he had difficulty understanding me.

• explain him  

• him the problem

• had difficulty

• understanding me

She recommended me that I take a few days off from work.

• recommended 

• me

• take

• off

I don’t know why you didn’t go. If I were you, I should have gone.

• don’t know

• didn’t go

• I were

• I should

Kate claims that if she got an MBA after finishing her bachelor’s degree, she might have been considered for the position.

• claims

• got    

• finishing

• might have been

Kevin says he stopped to travel internationally because of his family.

• says

• stopped

• to travel

• because of

We regret informing you that your application has been denied.

• regret

• informing

• has

• denied

The interview was broadcasted live over the internet.

• was   

• broadcasted

• live

• over

I’m so glad that he spoke in my behalf because I felt awful that I couldn’t make it to the event.

• so

• spoke

• in

• awful

At first, I studied engineering in college, but I ended getting a marketing degree.

• at first

• engineering

• ended

• getting

When the check came, I tried to pay but John told me to put away my wallet and insisted that he paid for dinner.

• came

• told

• put away

• paid