Mary took to collecting stamps some years ago and now she has a big. (collect) 2. The central Post Office has a .and pleasant front office. (space) Do as directed 3. The son asked his mother for some money. (cleft sentence) => 4. The old man is a famous energy researcher. He wears a black suit. (using relative pronoun) => 5. He drinks wine every day, ..? (tag question) 6. People think that John was killed in the war. (change into passive voice) => 7. Neil Armstrong was the first man who walked on the moon. (reduce relative clause) => 8. The woman is very interested in our plan. I spoke to her on the phone last night.(preposition Ai giúp mình với ạ