We first met on a train in 2010，but we both felt immediately that we ________ each other for years.

If the weather had been better, we could have gone outing. But it ____ all day.

I’m sure you will do better in the test because you ______ so hard this year．

I’m sorry, sir. Your recorder isn’t ready yet. It ______ in the factory.

The young boy has come to himself in hospital now. But he ___ unconscious for three days.