Здесь нет аббревиатур! Но если бы были, то:
5) b LOL, c, i, t
1) d, r, x, e, p,f, n
2) h, j, k, q, s
3) l, m, o, a,
4) u, s, g, v
1. He does not clean
2. Millie and Sam do not swim
3. Sarah does not buy
4.
Are you a student? Yes, I am
Is your friend a student? Yes, she is.
How old is your friend? My friend is 20 years old.
What is her name? Her name is Kate.
Where is she now? She is at university.
Were you a student last year? Yes, I was.
Was your friend a student last year? Yes, she was.
Will you be an economist? Yes, I will be.
What will your friend be? My friend will be a lawyer.
Where will you be tomorrow? I will be at home tomorrow.
5.
Economics is a science and subject.
This is a famous Russian economist.
They were familiar with Keynes's work.
Were they his students?
As far as I know they weren't his students.
I didn't know answer this question .
В субботу миссис Уилсон встала рано утром. она сделала много дел. она сказала мистеру Уилсону" Это время вставать. К нам позже придут гости сегодня. после завтрака миссис Уилсон сказала мистеру Уилсон " сходи в магазин за покупками.Купить бананы, яблоки, сладости и немного мороженое". Мистер Уилсон купил много бананов и сладостей, красные яблоки и немного мороженое.