- The following sentence contains one or more mistakes. Choose the correct alternative. "This chair is very valuable. You mustn't look after it very carefully and you could must damage it".   This chair is very valuable. You must look after it very carefully and you mustn't damage it

- The following sentence contains one or more mistakes: choose the correct alternative. "My teachers suggested I should to study abroad, but I decided not".   My teachers suggested studying abroad, but I decided not to go

- The following sentence contains one or more mistakes; choose the correct alternative. "How many milk did you bought?".   How much milk did you buy?

- The parts of the following sentence between square brackets contain one or more mistakes; choose the correct forms. "My mother [not works] anymore, [she's pensioner]".   doesn't work; she's a pensioner

- Turn the following sentence into indirect speech. "I will never go to Paris again", she said.   She said she would never go to Paris again