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МатематикаВопрос:
1) Antibiotics ______ (prescribe) by doctors to fight disease for many years.
Ответ:
Antibiotics have been prescribed by doctors to fight disease for many years.
Antibiotics were prescribed by doctors to fight disease for many years.
Antibiotics were prescribed by doctors to fight disease for many years.
Похожие
- 2) What would our lives be life if X-ray machines ______ (not invent)?
- 3) Scientists believe that a vaccine to prevent malaria ______ (develop) soon.
- 4) In the past, many patients ______ (infect) each year in dirty hospitals.
- 5) Natural plant remedies for illnesses ______ (discover) all the time.
- 6) Anaesthetics ______ (not use) in operations until the 19th century.
- 1) The teacher gave each student a book.
- 2) They have offered both of us a place at university.
- 3) Mum cooked me a special dinner last night.
- 4) She's lending the money to Anna.
- 5) best friend has just sent me a text message.
- 6) Do you think they'll give him the job?
