Ответ:

9.4 Put the verb into the present continuous (I am -ing) or present perfect continuous (I have been -ing).

  1. Maria has been learning (Maria / learn) English for two years.
  2. Hello, Tom. I'm looking (I / look) for you. Where have you been?
  3. Why are you looking (you / look) at me like that? Stop it!
  4. Linda is a teacher. She has been teaching (she / teach) for ten years.
  5. I'm thinking (I / think) about what you said and I've decided to take your advice.
  6. 'Is Paul on holiday this week?' 'No, he isn't working (he / work).'
  7. Sarah is very tired. She has been working (she / work) very hard recently.