You look exhausted. You ______ go to bed earlier.
You ______ touch that wire! It's dangerous.
When my grandfather was young, he ______ run ten kilometres without stopping.
He ______ taken the wrong train. That's why he arrived so late.
Do you think Carol _______save her money or spend it? She is planning to go to Europe this summer.
You ______ be tired after such a long journey.
We ______ leave now if we want to catch the last bus.
Now I know that telling her my secret was a bad idea. I ________have done it.
Una característica esencial de la redacción científica es que debe ser Respuesta Pregunta 4 y precisa.
The weather in the North-west will be ___ than in the South.