I_TWO_Milestone_1.6

She apologised (a)   being late.

We should concentrate (a)   improving our skills.

She insists (a)   going to the party, even though she’s tired.

He always apologises (a)   being rude to people.

They often argue (a)   politics.

She believes (a)   the importance of hard work.

This book belongs (a)   my friend.

I really care (a)   the environment.

She complained (a)   the noise coming from the construction site.

It's hard to cope (a)   stress at work.