Написать краткое сочинение про башню Лондона на Английском языке​

a)We started working here three years ago.

We have worked here for three years.  (have been working, если проходили Present Perfect Continious)

b)This is the first time I've been on a plane.

I haven't been on a plane before.

c)That's strange! My pen isn't here!

That's strange! My pen has disappeared!

d)Nicky and Jan aren't at this school any more.

Nicky and Jan don't go to this school.

e)I saw a friend of yours a few moments ago.

I just saw a friend of yours.

f)I'm still writing my letters.

I haven't finished writing my letters yet.

g)Is this your first visit to South America?

Have you ever been to South America before?

h)Oh no! My wallet is still in the car.

Oh no! I left my wallet in the car.  (forgot)

i)It's a long time since we spoke to your sister.

We haven't spoken to your sister for a long time.

j)Is Anna still asleep?

Has Anna woken up yet?